http://blogs.technet.com/rhalbheer/archive/2008/06/19/bitlocker-completes-fips-104-2-certification.aspxI am very proud for the product team to tell you that Windows Vista Bitlocker™ completes FIPS 140-2 certification. If you are interested, you find the according certificate here . Rogeren-USCommunityServer 2.1 SP1 (Build: 61025.2)