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To generate a new FileVault 2 Personal Recovery Key we will be using the fdesetup binary.įirst you can check to see if your Mac is using a PRK or IRK. Reissue the FileVault 2 Recovery Key with FV2 Enabled Username and Password
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If you need to reenroll a Mac into a different MDM.Ī good example of #2 is when Jamf Pro 10.7.1 screwed up the recovery key display in every computer record. The PRK user is missing, or the ? mark is not showing at FV2 login. The PRK is given to a user and you want to cycle and protect it.
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The Computer Record was deleted from your MDM. Here are a few reasons why you might need to reissue or generate a new FileVault 2 Personal Recovery Key. Why Would Would I Need to Change my Personal Recovery Key?
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I previously wrote about how to use the PRK to recover data from a Mac using Target Disk Mode. The PRK is the way to go, as each Mac has a unique key. The same thing goes for the (IRK) if one user has the key, it’s known for every single Mac. If that key is stolen or lost, the bad guy has a key to every single apartment unit. While it may be convenient to have one key for every Mac, having a Institutional Recovery Key is like having a Master Key to an Apartment Complex.
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