Sunday, October 11, 2009

Enable BitLocker without a TPM on Windows 7

Windows 7 Bitlocker can use USB sticks instead of TPMProblem

You receive an error that BitLocker will not work if no compatible TPM hardware is present.


Use an USB stick (that always have to be inserted before booting your machine).


  1. Open group policy editor: Start » gpedit.msc
  2. Navigate to:
    • Computer Configuration
    • » Administrative Templates
    • » Windows Components
    • » BitLocker Drive Encryption
    • » Operating System Drives
  3. Double-click Require Additional Authentication at Startup.
  4. Click Enable.
  5. Done!

More information:

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