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

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


I got this several times on my Time machine error messages in the past 2 weeks. Bought a new 1TB drive, initialized it and it worked successuflly for 2 days now back to the same problem. Any one have any ideas?

iMac, Mac OS X (10.7.3)

Posted on Feb 20, 2012 3:46 PM

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22 replies

Feb 27, 2012 9:04 AM in response to Linc Davis

In Discussions, do a search, "An error occurred while creating the backup folder."


Many are having this issue; doubtful it's a drive failure. It's happening with USB and FW drives, of several different makes and models; with MBs and Minis and iMacs. "Pondini" has an excellent troubleshooting web page, but it doesn't solve this particular error message; nor does the Apple "Time Machine Troubleshooting" web page. I've tried several fixes and the problem has persisted for 2 or 3 months. I think my ext HD would have failed by now if that were the case.

Jun 18, 2012 5:13 PM in response to David Cun

Yes David I noticed the same thing. I also noticed people who claim to have started experiencing this problem only after upgrading from 10.6 to 10.7.


I think the issue is complicated because there are multiple things that can cause the same issue, along with 'fixes' that get things working again for a little while, then break again later

Jun 28, 2012 7:59 PM in response to Iain Cranston

I use the same LaCie Porsche Design 1TB drive, also connected directly to a USB port on my MacBook Air. This drive is brand new, just connected it two days ago. It worked fine for the first backup, then I got the "error occurred while creating the backup folder" message. I find that If I disconnect everything and do a restart, it will once again do one backup and on the second one, I get the same error message. This is quite consistent.

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

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