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DC321 Author

Level 1

5 points

Unable to complete backup. An error occurred while creating the backup folder.

I have a WD 4TB Ultra backup connected for my Time Machine backup. Every once in a while, it would give the message "Unable to complete backup. An error occurred while creating the backup folder."

Now for the last 6 days it will not update and that is the message every time.

Any insight?

Thanks,

Dan

MacBook Pro 15", macOS 10.14

Posted on Jul 19, 2019 3:29 PM

Top-ranking reply

John Galt

Level 10

146,336 points

Posted on Jul 19, 2019 4:16 PM

Start with Time Machine troubleshooting on Mac - Apple Support.

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Unable to complete backup. An error occurred while creating the backup folder.

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