Updated: April 17, 2012
Applies To: Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8
Assigns a new drive letter to the portion of a drive used as the system drive. For an example of how this command can be used, see Examples.
As a best practice, it is recommended that you do not assign a drive letter to your system drive.
The following example shows the default drive being assigned the drive letter P.
bdehdcfg -target default -newdriveletter P: