Does BitLocker require a schema extension to store recovery information in AD DS?
This depends on the operating system and AD DS implementation. Windows Server 2003 with Service Pack 1 (SP1) In Windows Server 2003 with SP1, the schema must be extended to support storing BitLocker and TPM recovery and password information. Windows Server 2008 and Windows Server 2008 R2 In Windows Server 2008 and Windows Server 2008 R2, the schema already includes the required attributes.