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Bitlocker command line switches - am I doing something wrong?

I'm using the command 'manage-bde -on C: -RecoveryPassword xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx' to set specific bitlocker passwords on some computers. This successful sets it to the password I provide. I was also trying the command 'manage-bde -ChangePassword C:' but it is complaining about no password key protectors on the C drive. 

When I run 'manage-bde -protectors -add C: -recoverypassword xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx' with my specified password it says that the protectors have been added. When I run 'manage-bde -ChangePassword C:'  again it still says there are no key protectors on C: drive. Anyone any ideas as to what's happening or not happening, or what else I may need to run?

2 Comments   [ + ] Show comments
  • Silly question but...you do have BL turned on, right? - anonymous_9363 9 years ago
  • Yep. The 'manage-bde -on C: -RecoveryPassword' command throws up an error if there is no TPM or if it needs turned on. - alphabeta 9 years ago

Answers (2)

Posted by: SMal.tmcc 9 years ago
Posted by: SkipPetrucci 1 year ago
White Belt
0

Frightfully late here but maybe this will help someone else. With the first line you're setting a recovery password (parameter used when created is: -recoverypassword), but the second line you're trying to change the regular drive "password" (parameter used when created is: -password) which is used to prevent people who don't have the password from unlocking the drive. To change the recovery password, you'll likely have to remove it first:

manage-bde.exe c: -protectors -delete -id {ID of recovery password protector}

-or-

manage-bde.exe c: -protectors -delete -type recoverypassword

Then set a new one with the first line you mentioned:

manage-bde -on C: -RecoveryPassword xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx

 
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