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FAQ

Can't connect to TMBackup with error"OSStatus error 89"

Last modified date: 2021-03-25

Applied models:

ARM based 32-bit platform models

Applied Firmware:

4.4.1 or above

You may encounter an error message "OSStatus error 89" when trying to backup timemachine to NAS.

It happened on (ARM) 32-bit platform, where samba won't allow TimeMachine since potential overflow. To work around this, set quota size to be unlimited when creating the TimeMachine backup on Mac to bypass the checking.

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