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Quote from macOS Sierra: Disks you can use with Time Machine

If your backup disk is on a network, the network server can use Server Message Block (SMB) file sharing. Your Mac must be connected to the SMB server when you set up Time Machine. After you select the network disk in Time Machine preferences, Time Machine automatically connects to the disk when it’s time to back up or restore your data.

> sudo tmutil setdestination "/Volumes/$NAME/"                                                                                                                                                                                                      
Password:
/Volumes/$NAME: Disk does not support Time Machine backups. (error 45)
The backup destination could not be set.

I use QNAP TS-251 with latest firmware. The SMB share is working fine with Finder.

Any idea? I don't wish to use AFP.

I followed the instructions How do I set up Time Machine backups between my Mac and NAS on a domain via the SMB protocol?. When mounted as SMB it doesn't work, but with AFP it works.

  • Fedor! And what is the result? SMB works? I looking for NAS to replace Time Capsule and looking at QNAP. – Marvin Feb 8 '18 at 9:52
  • @Marvin no did not work – Ivanov Feb 8 '18 at 10:34
  • I'm also having the same issue on the QNAP w/ latest firmware using high sierra – Andrew Norman Oct 21 '18 at 3:11
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QNAP says it is not supported!

We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

  • 1
    whats your source? please paste original quote from vendor support – Ivanov Mar 21 '17 at 11:46

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