manage-bde wipefreespace

Wipes the free space on the volume, removing any data fragments that may have existed in the space. Running this command on a volume encrypted using the Used Space Only encryption method provides the same level of protection as the Full Volume Encryption encryption method.

Syntax

manage-bde -wipefreespace|-w [<drive>] [-cancel] [-computername <name>] [{-?|/?}] [{-help|-h}]

Parameters

Parameter Description
<drive> Represents a drive letter followed by a colon.
-cancel Cancels a wipe of free space that is in process.
-computername Specifies that manage-bde.exe will be used to modify BitLocker protection on a different computer. You can also use -cn as an abbreviated version of this command.
<name> Represents the name of the computer on which to modify BitLocker protection. Accepted values include the computer's NetBIOS name and the computer's IP address.
-? or /? Displays brief Help at the command prompt.
-help or -h Displays complete Help at the command prompt.

Examples

To wipe the free space on drive C, type either:

manage-bde -w C:
manage-bde -wipefreespace C:

To cancel the wipe of tje free space on drive C, type either:

manage-bde -w -cancel C:
manage-bde -wipefreespace -cancel C:

Additional References