Enable BitLocker without a TPM on Windows 7

Problem

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

Workaround

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

Steps

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:

• BitLocker Drive Encryption - Windows 7 Drive - Turn On or Off with no TPM