{"code":"var Component=(()=>{var o=Object.create;var h=Object.defineProperty;var p=Object.getOwnPropertyDescriptor;var g=Object.getOwnPropertyNames;var F=Object.getPrototypeOf,m=Object.prototype.hasOwnProperty;var u=(s,e)=>()=>(e||s((e={exports:{}}).exports,e),e.exports),y=(s,e)=>{for(var n in e)h(s,n,{get:e[n],enumerable:!0})},r=(s,e,n,a)=>{if(e&&typeof e==\"object\"||typeof e==\"function\")for(let l of g(e))!m.call(s,l)&&l!==n&&h(s,l,{get:()=>e[l],enumerable:!(a=p(e,l))||a.enumerable});return s};var C=(s,e,n)=>(n=s!=null?o(F(s)):{},r(e||!s||!s.__esModule?h(n,\"default\",{value:s,enumerable:!0}):n,s)),B=s=>r(h({},\"__esModule\",{value:!0}),s);var d=u((A,t)=>{t.exports=_jsx_runtime});var b={};y(b,{default:()=>k});var i=C(d());function c(s){let e={a:\"a\",code:\"code\",h2:\"h2\",h3:\"h3\",img:\"img\",li:\"li\",ol:\"ol\",p:\"p\",pre:\"pre\",span:\"span\",strong:\"strong\",table:\"table\",tbody:\"tbody\",td:\"td\",th:\"th\",thead:\"thead\",tr:\"tr\",ul:\"ul\",...s.components};return(0,i.jsxs)(i.Fragment,{children:[(0,i.jsx)(e.p,{children:`macOS Tahoe 26 introduces significant changes to Time Machine's underlying architecture that affect backup behavior, particularly for users with network-attached storage devices. Since the release in September 2025, thousands of users have reported backup failures, \"Preparing backup\" loops, and NAS connectivity issues. This comprehensive guide provides detailed solutions for every Time Machine problem on macOS Tahoe 26, from basic troubleshooting to advanced terminal diagnostics.`}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.img,{alt:\"Time Machine Backup Hero\",src:\"/images/blog/macos-tahoe-time-machine-troubleshooting-guide/time-machine-backup-hero.jpg\",width:\"1920\",height:\"1280\"})}),`\n`,(0,i.jsx)(e.h2,{id:\"executive-summary-time-machine-on-macos-tahoe-26\",children:\"Executive Summary: Time Machine on macOS Tahoe 26\"}),`\n`,(0,i.jsx)(e.h3,{id:\"whats-changed-in-macos-tahoe-26\",children:\"What's Changed in macOS Tahoe 26\"}),`\n`,(0,i.jsx)(e.p,{children:\"macOS Tahoe 26 brings several important changes to Time Machine that directly impact backup reliability:\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Critical Changes:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"APFS Requirement\"}),\": Time Machine now strictly requires APFS-formatted backup destinations for new backups\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"SMB3 Protocol Enforcement\"}),\": AFP support is fully deprecated; SMB3 is now mandatory for network backups\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Enhanced Encryption\"}),\": New encryption protocols affect existing encrypted backup destinations\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"iCloud Integration\"}),\": Changes to how iCloud Drive files interact with Time Machine backups\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Firewall Behavior\"}),\": Modified firewall rules can block Time Machine network connections\"]}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Impact Assessment:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"NAS Users\"}),\": Most affected group, with reported failure rates up to 40% immediately after upgrade\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"External Drive Users\"}),\": Generally stable, with occasional APFS conversion issues\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"iCloud Users\"}),': May experience \"Cloud Files syncing\" delays before backup completion']}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Antivirus Users\"}),\": Third-party security software conflicts increased significantly\"]}),`\n`]}),`\n`,(0,i.jsx)(e.h3,{id:\"common-error-messages-and-quick-fixes\",children:\"Common Error Messages and Quick Fixes\"}),`\n`,(0,i.jsx)(e.p,{children:\"Before diving into detailed solutions, here's a quick reference for the most common Time Machine errors on macOS Tahoe 26:\"}),`\n`,(0,i.jsxs)(e.table,{children:[(0,i.jsx)(e.thead,{children:(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.th,{children:\"Error Message\"}),(0,i.jsx)(e.th,{children:\"Quick Fix\"}),(0,i.jsx)(e.th,{children:\"Section\"})]})}),(0,i.jsxs)(e.tbody,{children:[(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.td,{children:'\"The network disk disconnected from your Mac\"'}),(0,i.jsx)(e.td,{children:\"Check NAS SMB settings, remove special characters\"}),(0,i.jsx)(e.td,{children:\"NAS Issues\"})]}),(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.td,{children:'\"Time Machine could not create a local snapshot\"'}),(0,i.jsx)(e.td,{children:\"Delete old snapshots, check disk space\"}),(0,i.jsx)(e.td,{children:\"APFS Issues\"})]}),(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.td,{children:'\"Preparing backup\" stuck for hours'}),(0,i.jsx)(e.td,{children:\"Delete .inProgress file, restart\"}),(0,i.jsx)(e.td,{children:\"Preparing Stuck\"})]}),(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.td,{children:'\"Your system has run out of application memory\"'}),(0,i.jsx)(e.td,{children:\"Close apps, restart Mac\"}),(0,i.jsx)(e.td,{children:\"Memory Issues\"})]}),(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.td,{children:'\"An unauthorized app attempted to access your backups\"'}),(0,i.jsx)(e.td,{children:\"Configure antivirus exclusions\"}),(0,i.jsx)(e.td,{children:\"Security Software\"})]}),(0,i.jsxs)(e.tr,{children:[(0,i.jsx)(e.td,{children:'\"Backup Not Completed. Cloud Files syncing\"'}),(0,i.jsx)(e.td,{children:\"Wait for iCloud sync, toggle Optimize Storage\"}),(0,i.jsx)(e.td,{children:\"iCloud Issues\"})]})]})]}),`\n`,(0,i.jsx)(e.h2,{id:\"part-1-diagnosing-time-machine-problems\",children:\"Part 1: Diagnosing Time Machine Problems\"}),`\n`,(0,i.jsx)(e.h3,{id:\"step-by-step-diagnostic-checklist\",children:\"Step-by-Step Diagnostic Checklist\"}),`\n`,(0,i.jsx)(e.p,{children:\"Before attempting any fixes, perform this comprehensive diagnostic routine:\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"1. Check Time Machine Status\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# View current Time Machine status\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" status\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Check backup destinations\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" destinationinfo\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# List recent backups\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" listbackups\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#D73A49\",\"--shiki-dark\":\"#F97583\"},children:\" |\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\" tail\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -5\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# View latest backup path\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" latestbackup\"})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"2. Verify Disk Health\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Check disk format and health\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"diskutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" info\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/[BackupDrive]\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Verify disk\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"diskutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" verifyDisk\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/[BackupDrive]\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Check SMART status (for physical drives)\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"diskutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" info\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/[BackupDrive]\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#D73A49\",\"--shiki-dark\":\"#F97583\"},children:\" |\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\" grep\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" SMART\"})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"3. Check System Logs\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# View Time Machine logs from last hour\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"log\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" show\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --predicate\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:` 'subsystem == \"com.apple.TimeMachine\"'`}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --info\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --last\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" 1h\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Filter for errors only\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"log\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" show\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --predicate\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:` 'subsystem == \"com.apple.TimeMachine\"'`}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --info\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --last\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" 1h\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#D73A49\",\"--shiki-dark\":\"#F97583\"},children:\" |\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\" grep\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -i\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" error\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Watch backup progress in real-time\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" status\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#D73A49\",\"--shiki-dark\":\"#F97583\"},children:\" |\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\" grep\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -E\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:' \"(Running|Percent|bytes)\"'})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"4. Generate Comprehensive Diagnostic Report\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Create full diagnostic archive (takes several minutes)\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" tmdiagnose\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -f\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" ~/Documents/\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Output: ~290MB archive containing:\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# - Backup destinations analysis\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# - Complete logs\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# - Daemon settings\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# - iCloud information\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# - Spotlight diagnostics\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# - Exclusion lists\"})})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.img,{alt:\"Terminal List Snapshots\",src:\"/images/blog/macos-tahoe-time-machine-troubleshooting-guide/terminal-list-snapshots.jpg\",width:\"1280\",height:\"406\"})}),`\n`,(0,i.jsx)(e.h3,{id:\"understanding-time-machine-phases\",children:\"Understanding Time Machine Phases\"}),`\n`,(0,i.jsx)(e.p,{children:\"Time Machine backups progress through several phases. Understanding where your backup stalls helps identify the root cause:\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Phase 1: Preparing (0-10 minutes normally)\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Creates local APFS snapshot\"}),`\n`,(0,i.jsx)(e.li,{children:\"Calculates changes since last backup\"}),`\n`,(0,i.jsx)(e.li,{children:\"Builds file list for transfer\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Phase 2: Copying Files (Variable duration)\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Transfers new and modified files\"}),`\n`,(0,i.jsx)(e.li,{children:\"Updates metadata and permissions\"}),`\n`,(0,i.jsx)(e.li,{children:\"Creates hard links for unchanged files\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Phase 3: Thinning Old Backups (If needed)\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Removes old hourly backups (after 24 hours)\"}),`\n`,(0,i.jsx)(e.li,{children:\"Removes old daily backups (after 1 month)\"}),`\n`,(0,i.jsx)(e.li,{children:\"Frees space for new backup data\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Phase 4: Verifying (Brief)\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Confirms backup integrity\"}),`\n`,(0,i.jsx)(e.li,{children:\"Updates backup metadata\"}),`\n`,(0,i.jsx)(e.li,{children:\"Marks backup as complete\"}),`\n`]}),`\n`,(0,i.jsx)(e.h2,{id:\"part-2-nas-backup-failures-and-solutions\",children:\"Part 2: NAS Backup Failures and Solutions\"}),`\n`,(0,i.jsx)(e.h3,{id:\"the-non-ascii-character-problem\",children:\"The Non-ASCII Character Problem\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"This is the #1 cause of Time Machine failures on macOS Tahoe 26 with NAS devices.\"})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Symptoms:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:'Error: \"The network disk disconnected from your Mac while backing up\"'}),`\n`,(0,i.jsx)(e.li,{children:\"Backups work on macOS Sequoia but fail after upgrading to Tahoe\"}),`\n`,(0,i.jsx)(e.li,{children:\"Affects users with localized system languages (Dutch, German, Korean, Japanese, etc.)\"}),`\n`]}),`\n`,(0,i.jsxs)(e.p,{children:[(0,i.jsx)(e.strong,{children:\"Root Cause:\"}),`\nmacOS Tahoe 26 changed how non-ASCII characters are handled in sparsebundle names. If your Mac name or backup volume contains characters like \\xF6, \\xFC, \\xE9, \\xF1, or Asian characters, the backup will fail.`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Solution 1: Rename the Sparsebundle\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Open Finder and navigate to your NAS Time Machine share\"}),`\n`,(0,i.jsxs)(e.li,{children:[\"Find the \",(0,i.jsx)(e.code,{children:\".sparsebundle\"}),\" file for your Mac\"]}),`\n`,(0,i.jsx)(e.li,{children:'Right-click and select \"Show Package Contents\"'}),`\n`,(0,i.jsxs)(e.li,{children:[\"Open the file \",(0,i.jsx)(e.code,{children:\"com.apple.TimeMachine.MachineID.plist\"}),\" in a text editor\"]}),`\n`,(0,i.jsx)(e.li,{children:\"Look for any non-ASCII characters in the name fields\"}),`\n`,(0,i.jsx)(e.li,{children:\"Replace all special characters with standard a-z characters\"}),`\n`,(0,i.jsx)(e.li,{children:\"Rename the sparsebundle file itself to match\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Solution 2: Change Mac Name Temporarily\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Check current Mac name\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"scutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --get\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" ComputerName\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Set a new ASCII-only name\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" scutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --set\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" ComputerName\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:' \"MyMacBook\"'})]}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" scutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --set\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" LocalHostName\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:' \"MyMacBook\"'})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Restart and create new backup\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# After successful first backup, you can restore the original name\"})})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Solution 3: Create Fresh Backup with ASCII Name\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"System Settings > General > Sharing > Edit Mac name to use only ASCII characters\"}),`\n`,(0,i.jsx)(e.li,{children:\"Forget the existing Time Machine destination\"}),`\n`,(0,i.jsx)(e.li,{children:\"Delete the old sparsebundle on NAS (backup your data first!)\"}),`\n`,(0,i.jsx)(e.li,{children:\"Re-add the NAS as a backup destination\"}),`\n`,(0,i.jsx)(e.li,{children:\"Start fresh backup\"}),`\n`]}),`\n`,(0,i.jsx)(e.h3,{id:\"smb-protocol-configuration\",children:\"SMB Protocol Configuration\"}),`\n`,(0,i.jsxs)(e.p,{children:[(0,i.jsx)(e.strong,{children:\"Problem:\"}),\" macOS Tahoe 26 requires SMB3 protocol for Time Machine, but many NAS devices default to SMB1 or SMB2.\"]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"For Synology NAS:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Open DSM Control Panel\"}),`\n`,(0,i.jsx)(e.li,{children:\"Navigate to File Services > SMB\"}),`\n`,(0,i.jsxs)(e.li,{children:[\"Under Advanced Settings, set:\",`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Minimum SMB protocol: SMB2\"}),`\n`,(0,i.jsx)(e.li,{children:\"Maximum SMB protocol: SMB3\"}),`\n`]}),`\n`]}),`\n`,(0,i.jsx)(e.li,{children:'Enable \"Enable Opportunistic Locking\"'}),`\n`,(0,i.jsx)(e.li,{children:'Enable \"Enable SMB2 lease\"'}),`\n`,(0,i.jsx)(e.li,{children:\"Click Apply and restart SMB service\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"For QNAP NAS:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Open QTS Control Panel\"}),`\n`,(0,i.jsx)(e.li,{children:\"Navigate to Network & File Services > Win/Mac/NFS/WebDAV > Microsoft Networking\"}),`\n`,(0,i.jsxs)(e.li,{children:[\"Under Advanced Options:\",`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Set Lowest SMB version: SMB 2\"}),`\n`,(0,i.jsx)(e.li,{children:\"Set Highest SMB version: SMB 3\"}),`\n`]}),`\n`]}),`\n`,(0,i.jsx)(e.li,{children:\"Apply changes\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"For TrueNAS:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Navigate to Services > SMB\"}),`\n`,(0,i.jsx)(e.li,{children:\"Click Configure\"}),`\n`,(0,i.jsx)(e.li,{children:\"Under Auxiliary Parameters, add:\"}),`\n`]}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"M 6,1 C 4.354992,1 3,2.354992 3,4 v 16 c 0,1.645008 1.354992,3 3,3 h 12 c 1.645008,0 3,-1.354992 3,-3 V 8 7 A 1.0001,1.0001 0 0 0 20.707031,6.2929687 l -5,-5 A 1.0001,1.0001 0 0 0 15,1 h -1 z m 0,2 h 7 v 3 c 0,1.645008 1.354992,3 3,3 h 3 v 11 c 0,0.564129 -0.435871,1 -1,1 H 6 C 5.4358712,21 5,20.564129 5,20 V 4 C 5,3.4358712 5.4358712,3 6,3 Z M 15,3.4140625 18.585937,7 H 16 C 15.435871,7 15,6.5641288 15,6 Z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{children:\"min protocol = SMB2\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{children:\"max protocol = SMB3\"})})]})})}),`\n`,(0,i.jsxs)(e.ol,{start:\"4\",children:[`\n`,(0,i.jsx)(e.li,{children:\"Save and restart SMB service\"}),`\n`]}),`\n`,(0,i.jsx)(e.h3,{id:\"firewall-and-network-issues\",children:\"Firewall and Network Issues\"}),`\n`,(0,i.jsx)(e.p,{children:\"macOS Tahoe 26 introduced a confirmed bug affecting Time Machine wireless backups when the Firewall is enabled.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Temporary Workaround:\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Disable firewall temporarily\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /usr/libexec/ApplicationFirewall/socketfilterfw\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --setglobalstate\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" off\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Complete your backup\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Re-enable firewall\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /usr/libexec/ApplicationFirewall/socketfilterfw\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" --setglobalstate\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" on\"})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Permanent Solution:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Open System Settings > Network > Firewall > Options\"}),`\n`,(0,i.jsxs)(e.li,{children:[\"Add \",(0,i.jsx)(e.code,{children:\"/usr/sbin/smbd\"}),\" to allowed applications\"]}),`\n`,(0,i.jsxs)(e.li,{children:[\"Add \",(0,i.jsx)(e.code,{children:\"/System/Library/CoreServices/backupd.bundle/Contents/Resources/backupd\"}),\" to allowed applications\"]}),`\n`,(0,i.jsx)(e.li,{children:'Enable \"Automatically allow built-in software to receive incoming connections\"'}),`\n`]}),`\n`,(0,i.jsx)(e.h3,{id:\"manual-nas-destination-configuration\",children:\"Manual NAS Destination Configuration\"}),`\n`,(0,i.jsx)(e.p,{children:\"If Time Machine fails to auto-discover your NAS, add it manually via Terminal:\"}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light 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Clear it with:\"]}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsx)(e.code,{children:(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\"history\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -c\"})]})})})}),`\n`,(0,i.jsx)(e.h2,{id:\"part-3-preparing-backup-stuck-solutions\",children:'Part 3: \"Preparing Backup\" Stuck Solutions'}),`\n`,(0,i.jsx)(e.h3,{id:\"understanding-why-preparing-gets-stuck\",children:\"Understanding Why Preparing Gets Stuck\"}),`\n`,(0,i.jsx)(e.p,{children:'The \"Preparing backup\" phase can get stuck for several reasons:'}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Previous backup was interrupted\"}),\": Left behind incomplete files\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Large file changes\"}),\": Major system updates or large file additions\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Malware scanning\"}),\": Antivirus scanning backup destination\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Corrupted APFS snapshot\"}),\": Previous snapshot didn't complete properly\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Full startup disk\"}),\": Insufficient space for local snapshot\"]}),`\n`]}),`\n`,(0,i.jsx)(e.h3,{id:\"solution-1-delete-inprogress-file\",children:\"Solution 1: Delete .inProgress File\"}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Navigate to backup destination\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\"cd\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/[BackupDrive]/Backups.backupdb/[MacName]\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Find and list .inProgress 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disable\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Remove all destinations\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" removedestination\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#24292E\",\"--shiki-dark\":\"#E1E4E8\"},children:\" [destination_id]\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Get destination_id from: tmutil 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\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#D73A49\",\"--shiki-dark\":\"#F97583\"},children:\"do\"})]}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"    sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" deletelocalsnapshots\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#24292E\",\"--shiki-dark\":\"#E1E4E8\"},children:\" $snapshot\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#D73A49\",\"--shiki-dark\":\"#F97583\"},children:\"done\"})})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.img,{alt:\"Terminal Delete 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Macs:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Restart your Mac\"}),`\n`,(0,i.jsx)(e.li,{children:\"Immediately press and hold Shift\"}),`\n`,(0,i.jsx)(e.li,{children:\"Release when login window appears\"}),`\n`,(0,i.jsx)(e.li,{children:\"Log in and start Time Machine backup\"}),`\n`]}),`\n`,(0,i.jsx)(e.h2,{id:\"part-4-apfs-snapshot-issues\",children:\"Part 4: APFS Snapshot Issues\"}),`\n`,(0,i.jsx)(e.h3,{id:\"could-not-create-local-snapshot-error\",children:'\"Could Not Create Local Snapshot\" Error'}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Symptoms:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:'Error: \"Time Machine could not create a local snapshot to back up from\"'}),`\n`,(0,i.jsx)(e.li,{children:\"Appears after major OS upgrades or disk changes\"}),`\n`,(0,i.jsx)(e.li,{children:\"May be intermittent\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Diagnostic 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/\"})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Solutions:\"})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"1. 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Repair APFS Volume\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" /></svg>',children:(0,i.jsxs)(e.code,{children:[(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Get disk identifier\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"diskutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" list\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Run APFS repair (requires Recovery Mode for startup disk)\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"sudo\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" fsck_apfs\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -y\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /dev/disk1s1\"})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"3. 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/dev/disk1s1\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"  # Your Data volume\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Run full APFS repair\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"fsck_apfs\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -y\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /dev/disk1s1\"})]})]})})}),`\n`,(0,i.jsx)(e.h2,{id:\"part-5-external-drive-problems\",children:\"Part 5: External Drive Problems\"}),`\n`,(0,i.jsx)(e.h3,{id:\"format-requirements-for-macos-tahoe-26\",children:\"Format Requirements for macOS Tahoe 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Must be GUID Partition Map (not MBR)\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Permissions\"}),\": Check Full Disk Access settings\"]}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Terminal Fix for Hidden Drives:\"})}),`\n`,(0,i.jsx)(i.Fragment,{children:(0,i.jsx)(e.pre,{className:\"shiki shiki-themes github-light github-dark\",style:{\"--shiki-light\":\"#24292e\",\"--shiki-dark\":\"#e1e4e8\",\"--shiki-light-bg\":\"#fff\",\"--shiki-dark-bg\":\"#24292e\"},tabIndex:\"0\",icon:'<svg viewBox=\"0 0 24 24\"><path d=\"m 4,4 a 1,1 0 0 0 -0.7070312,0.2929687 1,1 0 0 0 0,1.4140625 L 8.5859375,11 3.2929688,16.292969 a 1,1 0 0 0 0,1.414062 1,1 0 0 0 1.4140624,0 l 5.9999998,-6 a 1.0001,1.0001 0 0 0 0,-1.414062 L 4.7070312,4.2929687 A 1,1 0 0 0 4,4 Z m 8,14 a 1,1 0 0 0 -1,1 1,1 0 0 0 1,1 h 8 a 1,1 0 0 0 1,-1 1,1 0 0 0 -1,-1 z\" fill=\"currentColor\" 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1\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Restart System Settings\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"killall\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:' \"System Settings\"'})]})]})})}),`\n`,(0,i.jsx)(e.h3,{id:\"drive-ejecting-during-backup\",children:\"Drive Ejecting During Backup\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Causes:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Power management disconnecting drive\"}),`\n`,(0,i.jsx)(e.li,{children:\"USB hub insufficient power\"}),`\n`,(0,i.jsx)(e.li,{children:\"macOS energy 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Use Powered USB Hub\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"External drives require 500mA minimum\"}),`\n`,(0,i.jsx)(e.li,{children:\"Use USB hub with external power supply\"}),`\n`,(0,i.jsx)(e.li,{children:\"Connect directly to Mac if possible\"}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:'3. Disable \"Put hard disks to sleep\"'})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"System Settings > Energy Saver (Battery and Power Adapter)\"}),`\n`,(0,i.jsx)(e.li,{children:'Uncheck \"Put hard disks to sleep when possible\"'}),`\n`]}),`\n`,(0,i.jsx)(e.h2,{id:\"part-6-icloud-integration-issues\",children:\"Part 6: iCloud Integration Issues\"}),`\n`,(0,i.jsx)(e.h3,{id:\"cloud-files-syncing-backup-delay\",children:'\"Cloud Files Syncing\" Backup Delay'}),`\n`,(0,i.jsxs)(e.p,{children:[(0,i.jsx)(e.strong,{children:\"Problem:\"}),' Time Machine shows \"Backup Not Completed. 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grep\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" download\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Remove specific file from iCloud download queue\"})}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# (Transfer large files directly to Mac Photos or external storage)\"})})]})})}),`\n`,(0,i.jsx)(e.h2,{id:\"part-7-third-party-software-conflicts\",children:\"Part 7: Third-Party Software Conflicts\"}),`\n`,(0,i.jsx)(e.h3,{id:\"antivirus-software-issues\",children:\"Antivirus Software Issues\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Confirmed Problematic Software:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Bitdefender: Blocks 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tmutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" mount\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/TimeMachine/Backups.backupdb/MacName/2025-11-20-120000\"})]}),`\n`,(0,i.jsx)(e.span,{className:\"line\"}),`\n`,(0,i.jsx)(e.span,{className:\"line\",children:(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6A737D\",\"--shiki-dark\":\"#6A737D\"},children:\"# Copy files manually from mounted backup\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"cp\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#005CC5\",\"--shiki-dark\":\"#79B8FF\"},children:\" -R\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/.timemachine/[MountedBackup]/path/to/file\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" ~/Desktop/\"})]})]})})}),`\n`,(0,i.jsx)(e.h3,{id:\"restore-to-different-mac\",children:\"Restore to Different Mac\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Migration Assistant Method:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"On new Mac, open Migration Assistant (Applications > Utilities)\"}),`\n`,(0,i.jsx)(e.li,{children:'Select \"From a Mac, Time Machine backup, or startup disk\"'}),`\n`,(0,i.jsx)(e.li,{children:\"Select Time Machine backup\"}),`\n`,(0,i.jsxs)(e.li,{children:[\"Choose what to transfer:\",`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Applications\"}),`\n`,(0,i.jsx)(e.li,{children:\"User accounts\"}),`\n`,(0,i.jsx)(e.li,{children:\"Other files and folders\"}),`\n`,(0,i.jsx)(e.li,{children:\"Computer & network 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health\"})}),`\n`,(0,i.jsxs)(e.span,{className:\"line\",children:[(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#6F42C1\",\"--shiki-dark\":\"#B392F0\"},children:\"diskutil\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" verifyDisk\"}),(0,i.jsx)(e.span,{style:{\"--shiki-light\":\"#032F62\",\"--shiki-dark\":\"#9ECBFF\"},children:\" /Volumes/TimeMachine\"})]})]})})}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Test Restore Regularly:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsx)(e.li,{children:\"Quarterly: Restore random files to verify they open correctly\"}),`\n`,(0,i.jsx)(e.li,{children:\"Annually: Test full system restore on test partition or external drive\"}),`\n`]}),`\n`,(0,i.jsx)(e.h2,{id:\"part-11-advanced-configuration\",children:\"Part 11: Advanced Configuration\"}),`\n`,(0,i.jsx)(e.h3,{id:\"multiple-backup-destinations\",children:\"Multiple Backup Destinations\"}),`\n`,(0,i.jsx)(e.p,{children:\"Time 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The main issues stem from NAS compatibility changes and third-party software conflicts. Most problems are resolved by updating NAS firmware to support SMB3 and removing non-ASCII characters from backup names.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: How much storage do I need for Time Machine backups?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Apple recommends at least 2x your Mac's internal storage, but 3x is ideal. For a 512GB Mac, use a 1TB or larger backup drive. This provides ample room for multiple backup versions and future growth.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Can I use the same drive for Time Machine and file storage?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Yes, but it's not recommended. Time Machine will consume available space over time, potentially leaving no room for other files. If you must share a drive, partition it separately for Time Machine and file storage.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Does Time Machine back up iCloud Drive files?\"})}),`\n`,(0,i.jsx)(e.p,{children:'A: Time Machine backs up local copies of iCloud Drive files. If you use \"Optimize Mac Storage,\" only downloaded files are backed up. For complete backup of iCloud content, ensure important files are downloaded locally or use a separate cloud backup service.'}),`\n`,(0,i.jsx)(e.h3,{id:\"nas-specific-questions\",children:\"NAS-Specific Questions\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Why did my NAS backups stop working after upgrading to Tahoe?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: The most common causes are: (1) Non-ASCII characters in Mac name or backup volume, (2) NAS using SMB1/SMB2 instead of SMB3, (3) Firewall blocking network connections. Check all three in the troubleshooting sections above.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Which NAS brands work best with macOS Tahoe 26?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Synology and QNAP have the best compatibility when configured correctly. Both brands regularly update their DSM/QTS software for macOS compatibility. Ensure your NAS firmware is current and SMB3 is enabled.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Can I continue using AFP for Time Machine?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: AFP is deprecated and no longer recommended. While some existing AFP setups may still work, Apple has ceased AFP development. Convert to SMB3 for best compatibility and future support.\"}),`\n`,(0,i.jsx)(e.h3,{id:\"troubleshooting-questions\",children:\"Troubleshooting Questions\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: How do I know if my Time Machine backup is corrupted?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Signs of corruption include: inability to browse backups in Time Machine interface, error messages during restore, files appearing damaged after restoration, and Disk Utility reporting errors on the backup volume.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:'Q: Why does Time Machine say \"Preparing backup\" for hours?'})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Extended preparing time indicates issues with creating APFS snapshots, scanning large file changes, or previous backup interruption. See Part 3 of this guide for detailed solutions including deleting .inProgress files and clearing local snapshots.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Should I encrypt my Time Machine backup?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Yes, encryption is recommended, especially for portable backup drives. Encryption protects your data if the drive is lost or stolen. Enable encryption when first setting up the backup destination for best performance.\"}),`\n`,(0,i.jsx)(e.h3,{id:\"alternative-backup-questions\",children:\"Alternative Backup Questions\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Should I use Time Machine alongside other backup software?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Yes, following the 3-2-1 backup rule is recommended. Use Time Machine for hourly local backups, a cloning tool like Carbon Copy Cloner for bootable backups, and a cloud service like Backblaze for off-site protection.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Q: Can Carbon Copy Cloner back up to my NAS if Time Machine fails?\"})}),`\n`,(0,i.jsx)(e.p,{children:\"A: Yes, Carbon Copy Cloner often works more reliably with NAS devices than Time Machine. It supports multiple network protocols and provides more detailed error reporting for troubleshooting.\"}),`\n`,(0,i.jsx)(e.h2,{id:\"conclusion-mastering-time-machine-on-macos-tahoe-26\",children:\"Conclusion: Mastering Time Machine on macOS Tahoe 26\"}),`\n`,(0,i.jsx)(e.p,{children:\"Time Machine on macOS Tahoe 26 requires more attention than previous versions, but with proper configuration and understanding, it remains a reliable backup solution. The key challenges\\u2014NAS compatibility, APFS snapshot management, and third-party software conflicts\\u2014all have proven solutions.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Key Takeaways:\"})}),`\n`,(0,i.jsxs)(e.ol,{children:[`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"NAS Users\"}),\": Update firmware, configure SMB3, remove non-ASCII characters from backup names\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"External Drive Users\"}),\": Format as APFS, use quality cables, prevent drive sleep\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"All Users\"}),\": Disable antivirus interference, monitor iCloud sync status, maintain free disk space\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:\"Power Users\"}),\": Master tmutil commands for advanced diagnostics and control\"]}),`\n`]}),`\n`,(0,i.jsx)(e.p,{children:\"For persistent issues, consider supplementing Time Machine with Carbon Copy Cloner or SuperDuper for bootable backups, and Backblaze for cloud protection. The 3-2-1 backup strategy remains the gold standard for data protection.\"}),`\n`,(0,i.jsx)(e.p,{children:(0,i.jsx)(e.strong,{children:\"Related Resources:\"})}),`\n`,(0,i.jsxs)(e.ul,{children:[`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.a,{href:\"/blog/macos-tahoe-external-storage-backup-complete-guide-2025\",children:\"External Storage & Backup Complete Guide\"}),\" - Advanced storage configurations and backup strategies\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.a,{href:\"/blog/macos-tahoe-troubleshooting-guide-complete-solutions\",children:\"General Troubleshooting Guide\"}),\" - Solutions for other macOS Tahoe issues\"]}),`\n`,(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.a,{href:\"/blog/macos-tahoe-storage-management-optimization-guide-2025\",children:\"Storage Management Guide\"}),\" - Optimize disk space and manage system data\"]}),`\n`]})]})}function k(s={}){let{wrapper:e}=s.components||{};return e?(0,i.jsx)(e,{...s,children:(0,i.jsx)(c,{...s})}):c(s)}return B(b);})();\n;return Component;","toc":[{"title":"Executive Summary: Time Machine on macOS Tahoe 26","url":"#executive-summary-time-machine-on-macos-tahoe-26","depth":2},{"title":"What's Changed in macOS Tahoe 26","url":"#whats-changed-in-macos-tahoe-26","depth":3},{"title":"Common Error Messages and Quick Fixes","url":"#common-error-messages-and-quick-fixes","depth":3},{"title":"Part 1: Diagnosing Time Machine Problems","url":"#part-1-diagnosing-time-machine-problems","depth":2},{"title":"Step-by-Step Diagnostic Checklist","url":"#step-by-step-diagnostic-checklist","depth":3},{"title":"Understanding Time Machine Phases","url":"#understanding-time-machine-phases","depth":3},{"title":"Part 2: NAS Backup Failures and Solutions","url":"#part-2-nas-backup-failures-and-solutions","depth":2},{"title":"The Non-ASCII Character Problem","url":"#the-non-ascii-character-problem","depth":3},{"title":"SMB Protocol Configuration","url":"#smb-protocol-configuration","depth":3},{"title":"Firewall and Network Issues","url":"#firewall-and-network-issues","depth":3},{"title":"Manual NAS Destination Configuration","url":"#manual-nas-destination-configuration","depth":3},{"title":"Part 3: \"Preparing Backup\" Stuck Solutions","url":"#part-3-preparing-backup-stuck-solutions","depth":2},{"title":"Understanding Why Preparing Gets Stuck","url":"#understanding-why-preparing-gets-stuck","depth":3},{"title":"Solution 1: Delete .inProgress File","url":"#solution-1-delete-inprogress-file","depth":3},{"title":"Solution 2: Reset Time Machine Configuration","url":"#solution-2-reset-time-machine-configuration","depth":3},{"title":"Solution 3: Delete Local Snapshots","url":"#solution-3-delete-local-snapshots","depth":3},{"title":"Solution 4: Boot in Safe Mode","url":"#solution-4-boot-in-safe-mode","depth":3},{"title":"Part 4: APFS Snapshot Issues","url":"#part-4-apfs-snapshot-issues","depth":2},{"title":"\"Could Not Create Local Snapshot\" Error","url":"#could-not-create-local-snapshot-error","depth":3},{"title":"APFS Snapshot Metadata Invalid","url":"#apfs-snapshot-metadata-invalid","depth":3},{"title":"Part 5: External Drive Problems","url":"#part-5-external-drive-problems","depth":2},{"title":"Format Requirements for macOS Tahoe 26","url":"#format-requirements-for-macos-tahoe-26","depth":3},{"title":"Drive Not Appearing in Time Machine","url":"#drive-not-appearing-in-time-machine","depth":3},{"title":"Drive Ejecting During Backup","url":"#drive-ejecting-during-backup","depth":3},{"title":"Part 6: iCloud Integration Issues","url":"#part-6-icloud-integration-issues","depth":2},{"title":"\"Cloud Files Syncing\" Backup Delay","url":"#cloud-files-syncing-backup-delay","depth":3},{"title":"Large iCloud Files Blocking Backup","url":"#large-icloud-files-blocking-backup","depth":3},{"title":"Part 7: Third-Party Software Conflicts","url":"#part-7-third-party-software-conflicts","depth":2},{"title":"Antivirus Software Issues","url":"#antivirus-software-issues","depth":3},{"title":"CleanMyMac and Maintenance Apps","url":"#cleanmymac-and-maintenance-apps","depth":3},{"title":"Part 8: Terminal Commands Reference","url":"#part-8-terminal-commands-reference","depth":2},{"title":"Essential tmutil Commands","url":"#essential-tmutil-commands","depth":3},{"title":"Advanced Diagnostic Commands","url":"#advanced-diagnostic-commands","depth":3},{"title":"Part 9: Encryption and Security Issues","url":"#part-9-encryption-and-security-issues","depth":2},{"title":"Encrypted Backup Problems","url":"#encrypted-backup-problems","depth":3},{"title":"FileVault Compatibility","url":"#filevault-compatibility","depth":3},{"title":"Encryption Performance","url":"#encryption-performance","depth":3},{"title":"Part 10: Restoring from Time Machine","url":"#part-10-restoring-from-time-machine","depth":2},{"title":"Complete System Restore","url":"#complete-system-restore","depth":3},{"title":"Selective File Recovery","url":"#selective-file-recovery","depth":3},{"title":"Restore to Different Mac","url":"#restore-to-different-mac","depth":3},{"title":"Verify Backup Integrity","url":"#verify-backup-integrity","depth":3},{"title":"Part 11: Advanced Configuration","url":"#part-11-advanced-configuration","depth":2},{"title":"Multiple Backup Destinations","url":"#multiple-backup-destinations","depth":3},{"title":"Custom Backup Scheduling","url":"#custom-backup-scheduling","depth":3},{"title":"Network Bandwidth Throttling","url":"#network-bandwidth-throttling","depth":3},{"title":"Excluding System Files","url":"#excluding-system-files","depth":3},{"title":"Part 12: Troubleshooting Quick Reference","url":"#part-12-troubleshooting-quick-reference","depth":2},{"title":"Error Message Reference Table","url":"#error-message-reference-table","depth":3},{"title":"Quick Diagnostic Script","url":"#quick-diagnostic-script","depth":3},{"title":"Emergency Recovery Procedures","url":"#emergency-recovery-procedures","depth":3},{"title":"Part 13: Third-Party Backup Solutions","url":"#part-13-third-party-backup-solutions","depth":2},{"title":"Carbon Copy Cloner","url":"#carbon-copy-cloner","depth":3},{"title":"SuperDuper!","url":"#superduper","depth":3},{"title":"Backblaze","url":"#backblaze","depth":3},{"title":"Recommended Backup Strategy","url":"#recommended-backup-strategy","depth":3},{"title":"Part 10: Prevention and Best Practices","url":"#part-10-prevention-and-best-practices","depth":2},{"title":"Pre-Upgrade Checklist","url":"#pre-upgrade-checklist","depth":3},{"title":"Ongoing Maintenance","url":"#ongoing-maintenance","depth":3},{"title":"Optimal Settings for Reliability","url":"#optimal-settings-for-reliability","depth":3},{"title":"Frequently Asked Questions","url":"#frequently-asked-questions","depth":2},{"title":"General Questions","url":"#general-questions","depth":3},{"title":"NAS-Specific Questions","url":"#nas-specific-questions","depth":3},{"title":"Troubleshooting Questions","url":"#troubleshooting-questions","depth":3},{"title":"Alternative Backup Questions","url":"#alternative-backup-questions","depth":3},{"title":"Conclusion: Mastering Time Machine on macOS Tahoe 26","url":"#conclusion-mastering-time-machine-on-macos-tahoe-26","depth":2}],"estimatedTime":26}