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Pi-Jay Author

Level 1

47 points

Time Machine backup on macOS Sequoia cannot be completed

Hello everyone,

since the upgrade to 15.0 the Time Machine backup fails. The reason is some individual system files that cannot be backed up. Mostly some db files, such as the Library/Safari/History.db or files in the Firefox profiles. I have already excluded some files from the backup, but then Time Machine finds another file that cannot be backed up. The backup process is then canceled.

“Time Machine could not complete the backup to “Time Machine Backup”. Backup of “Library/Safari/History.db” could not be created.“

After switching from Intel to M, I had only created one backup under Sonoma so far, which worked without any problems. The two years of “Intel” history and previous OSs were also transferred. No matter which OS, Time Machine always worked without any problems.

Any ideas? Many thanks in advance!

Pi-Jay

MacBook Pro 16″, macOS 15.0

Posted on Oct 1, 2024 12:36 AM

Top-ranking reply

CasinoOwl

Level 1

57 points

Posted on Oct 22, 2024 11:12 AM

My Time Machine backs up fine until my iMac goes to sleep. Upon waking, I see the error message that it could not complete the backup. Then it backs up fine. More of an annoyance for me than anything, but something I hope Apple fixes. 24" M1 2021 running MacOS 15.0.1

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