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Lost Filevault key

I need to recover a FileVault (version 2) partition but the user has forgotten her passphrase. When it was set up, it was uploaded to Apple with her Apple ID. Does anyone know how to recover the key?

OS X Mountain Lion (10.8.4)

Posted on Aug 6, 2013 3:15 AM

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3 replies

Aug 6, 2013 9:52 PM in response to baltwo

Hi baltwo,


Thanks for the links. However the problem is that we cannot start the OS at all after an unsuccessful update of the OS. I found a way to unencrypt the disk via the Terminal function in the recovery partition but in order to do that, we need the Filevault passphrase and I was wondering if it could be recovered using the user's Apple ID.

THe most important thing is to get the data out since the user has never performed a backup.

Lost Filevault key

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