Boot Configuration Data: A database for boot-time configuration data which replaces the boot.ini that was used by NTLDR, and is used by Microsoft’s new Windows Boot Manager.

When you start Windows Vista, you receive the following error message:

File: \Boot\BCD
Status: 0xc0000034
Info: The Windows Boot Configuration Data file is missing required information

When you try to run the BitLocker Drive Encryption program, you receive the following error message in a BitLocker Drive Encryption Error dialog box:

Cannot run.
The path specified in the Boot Configuration Data (BCD) for a BitLocker Drive Encryption integrity-protected application is incorrect. Please verify and correct your BCD settings and try again.