Updated: April 17, 2012
Applies To: Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8
Prepares a partition for use as a system drive by BitLocker and Windows Recovery. By default, this partition is created without a drive letter. For examples of how this command can be used, see Examples.
Indicates that the command-line tool will follow the same process as the BitLocker setup wizard.
Creates the system partition out of the unallocated space available on the disk.
Reduces the drive specified by the amount necessary to create an active system partition. To use this command, the drive specified must have at least 5 percent free space.
Uses the drive specified as the active system partition. The operating system drive cannot be a target for merge.
The following example depicts using the target command to designate an existing drive (P) as the system drive.
bdehdcfg -target P: merge