Windows 7 – Change Bitlocker Recovery Key

The following steps detail how to change your bitlocker recovery key without decrypting the data on the hard drive.

 

Assuming C: is the BitLocker protected drive you want to change recovery password for.

  1. Open an elevated cmd prompt (From the Start menu, right click on ‘Command Prompt’ and select ‘Run as administrator’)
  2. Windows7-ChangeBitLockerKey1
  3. Enter the following command:
  4.  manage-bde C: -protectors -get -type RecoveryPassword
  5. Locate the protector you want to cycle (probably the only one displayed) and copy its ID field (including the curly braces) tip: to copy you can right-click on the window, select the text then right-click again.
  6. Windows7-ChangeBitLockerKey2
  7. Enter the following command, including the ID you copied in the previous step
  8. manage-bde C: -protectors -delete -id [paste the ID you copied here]
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  10. The old recovery key has now been removed, you now need to create a new one
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  12. Enter the following command (leave last section blank to automatically generate a new key)
  13. manage-bde C: -protectors -add -rp [optionally specify the new 48-digit password or enter nothing to have it randomly generated for you]

Windows7-ChangeBitLockerKey5

And you’re done! You’ve changed your recovery password.