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HT1175: Backing up with AirPort Time Capsule for the first time

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HT1175 Time Machine wants to start with a new, full backup instead of using the existing one

753 Views 3 Replies Latest reply: Jul 12, 2013 7:24 AM by John Galt RSS
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Jul 11, 2013 5:11 PM

Hi, my Time Machine wants to start a new, full backup, instead of continuing with the existing one on the time Capsule.

Looking a the Troubleshooting guide, I've found the following piece of info, which is, as 99% of the times with the troubleshooting guides, totally useless to resolve my problem...

Message: Time Machine starts a new, full backup instead of a smaller incremental backup

There are three reasons why this may occur:

  • You performed a full restore.
  • Your Computer Name (in Sharing preferences) was changed--when this happens, Time Machine will perform a full backup on its next scheduled backup time.
  • If you have had a hardware repair recently, contact the Apple Authorized Service Provider or Apple Retail Store that performed your repair. In the meantime, you can still browse and recover previous backups by right-clicking or Control-clicking the Time Machine Dock icon, and choosing "Browse Other Time Machine disks" from the contextual menu.



It should be noted (hence the uselessness of the guide) that:

-I haven't performed ANY full restore

- I havent changed my computer name

- My computer has not had ANY repair, much less a hardware repair. Neither recently, nor in the 9 months I've owned it.


Which puts me back to square one, with the marginal improvement that now I have a way of browsing my old backups.

In the event I decide to start all over again, will there be a way for me to "sew" the two backup files?

Or will I always have to go the silly way around?

Anybody has any idea?


Thank you for your time (machine/capsule, your choice;-)

MacBook Pro (Retina, Mid 2012), OS X Mountain Lion (10.8.4)
  • John Galt Level 7 Level 7 (33,010 points)

    Read Apple Support Communities contributor Pondini's FAQ on that subject - I believe this one is relevant:


    C13.  " . . . Time Machine must create a new backup for you."

    MacBooks  iMacs  iPads  AirPorts, OS X Mountain Lion,  28 years Apple!
  • John Galt Level 7 Level 7 (33,010 points)

    I am at a loss to explain the reason this occurred. Consider performing what Pondini calls a "full reset" of Time Machine:


    This does not erase your backups or cause a new set of backups to be created.


    Make sure your Time Capsule firmware is up to date. It should be running Firmware 7.6.3.


    Other than that I'm out of ideas, and I agree you should not have experienced this problem. Hopefully Pondini will take an interest in your question and have more constructive suggestions than I have been able to offer.

    MacBooks  iMacs  iPads  AirPorts, OS X Mountain Lion,  28 years Apple!


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