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What causes TimeMachine backups to fail on NAS devices?

The newest fun part: with the latest update the network connections with enabled Firewall are stable, but if you backup your Mac with TimeMachine to a NAS device, the backup is no longer working. Stops between 200 and 400MB.




[Re-Titled by Moderator]

MacBook Pro 16″, macOS 15.0

Posted on Oct 4, 2024 4:35 AM

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Question marked as Top-ranking reply

Posted on Oct 5, 2024 6:29 AM

I back up to a Synology NAS using Time Machine and it worked yesterday and not today after 15.0.1 update

"The network disk disconnected from your Mac while backing up."


Mine gets to 0MB. But with a film playing off the same NAS during backup gets to 95 MB then goes to 'skipping'

101 replies

What causes TimeMachine backups to fail on NAS devices?

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