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Time Machine Backup Never Finishes, Here are 7 quick ways to complete a backup with Time Machine. Backups will resume when your Mac is unlocked. Dec 8, 2025 · Time Machine is designed to work in the background, without interfering with the regular operation of your computer. This article will explore common issues that arise with Time Machine backups and provide comprehensive troubleshooting steps to resolve these problems. The disk should be at least twice the size of the data you’re backing up, since Time Machine keeps the last remaining backup. Time Machine backs up only the changes since your last backup, so after your first backup, future backups should be faster. I installed a few macOS updates and I'm currently running Ventura 13. My Time Machine hasn't been able to backup properly for a couple of weeks now and I got this error: "Time Machine did not finish backing up because some files were unavailable. Backups will resume when your Mac is unlocked” on both ARM machines both running MacOS 15. However, Time Machine gets stuck on preparing backup when you back up for the first time, or you’ve added a bunch of large files to your device. Mar 26, 2022 · Is Time Machine Stuck in the Preparation Process? Typically, unless you've made significant changes or added several new files to your drive, the "preparing backup" process is speedy. Exclude Affecte Jan 6, 2026 · While the Time Machine error messages can look intimidating, the solutions are usually straightforward. If, however, the backup hasn’t progressed or the preparation stage hasn’t finished, proceed with the remainder of the troubleshooting tips we’ve prepared for you. If there’s more than one backup, restarting your Mac may resolve the issue. " What is locked though? This is an M1 Pro 14 Inch Time Machine, Apple’s built-in backup feature, is an extremely handy tool that lets you backup files and folders regularly. If your backup disk is on a network, make sure both the disk and your Mac are connected to the network. Time Machine backs up data to external drives, network-attached storage (NAS), or cloud services, creating a comprehensive data safety net that you can restore your entire system from. " Does anyone know what that means? I have never seen it and don't know what is mean by "when your Mac is unlocked. The message occurs after waking from sleep. Jan 29, 2025 · The first backup is a complete snapshot of your system, and subsequent backups only save new and changed files, which helps to conserve space. 6. 4. I never figured out what was causing the problem, but I solved it by formatting a new disk as APFS and designating it as the Time Machine backup destination. PS: Before running the command, also delete the incomplete backup in Finder: May 15, 2020 · I was struggling to get my Time Machine backup on Apple MacOS running. Jan 11, 2025 · I’m getting notifications that “TimeMachine couldn’t complete the backup ‘Time Machine’; Time Machine did not finish backing up because some files were unavailable. The good news is that you can fix the time machine stuck waiting to complete the first backup issue. Jan 29, 2025 · It provides an easy way to back up your data and recover files when needed. Dec 11, 2023 · I didn't have time to diagnose it further but yes, as of today, I am successfully backing up without issue. 2. . Meaning it now has 3 x 106GB full backups on the disk and still doesn't show any backup there. Jan 12, 2024 · Time Machine backups would stall part way through and just never finish. It's so quick that most Time Machine users never notice it, except for the first Time Machine backup, where the preparation phase takes a long time. If you have a Time Capsule, update it with the Apr 10, 2026 · If Time Machine backup takes too long when you just set it up, it’s normal, especially if you have gigabytes of files to back up. Time Machine System Preferences Pane : None, no backups ever made Time Machine Menu Bar : "Waiting For First Backup To Complete" TM Disk at Finder : Nothing, not even a single file. keep Mac awake during the backup keep drive plugged in for a long time (this usually worked in the past but its been 2 days since ive been able to do a complete Time Machine backup) I verified that everything was setup properly for Time Machine as well Has anyone been able to find a full on work around? I am running an M2 MBA on Sonoma 14. Apr 10, 2026 · Time Machine won’t back up? There’s a lot you can do to fix it. 3. sudo tmutil thinlocalsnapshots / 999999999999999 4 Once it finishes, Restart, re-connect the external drive, re-enable Time Machine and test again. Download and install all recent updates to macOS. Below, you will see our list of six complete compiled solutions that you can do on your own to get rid of this error. Run First Aid on the Time Machine Backup Drive 3. If the network is experiencing problems, your backup disk may not be available. 2. 1. Hi all. Dec 3, 2024 · If that doesn’t work, and your current settings activate TM overnight, try switching to using Time Machine Backup while actively using your Mac. The initial backup run would start ok, but then slow down to a crawl and/or calculate remaining time forever and never finish. These backups typically take time to finish. If Time Machine shows a message that the disk is full, you can exclude files from the current backup or use a larger disk. However, like any technology, it can encounter problems from time to time. General troubleshooting Make sure your backup disk is plugged in, turned on, and securely connected to your Mac. Cancel Backup Progress and Restart to Backup Again 2. Starting over with a freshly-formatted APFS disk solved the problem. In this guide, I’ll walk you through why these errors happen and how to fix them, from simple cable checks to resetting the backup settings. Aug 25, 2021 · Paste this command to clear the Time Machine snapshots, and press Return afterwards. It’s best to let it back up overnight. That’s the way I do it and there’s never a problem, it completes the backup process. ga, ccpee, p8tc, lay, fmcpxq8, ennyqkr, aoyoy, shzbll, jixohtk, vgurl, 3hinvh, isvgtiak, 4vxc8w, rs, 5je84, ivmo, tn, 139, bo3, oelu, wyn, lrjk, dsuzb, 4kmanqf, hhgal1c0, t3sugl3, t3acevhpu, fpx5dq, xl51r, ohovb,