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-? or /?
Displays brief Help at the command prompt.
-help or -h
Displays complete Help at the command prompt.
<ownerpassword>
<name>
Examples
To turn on the TPM, type:
manage-bde tpm -turnon
To take ownership of the TPM and set the owner password to 0wnerP@ss, type:
manage-bde tpm takeownership 0wnerP@ss
manage-bde unlock
Unlocks a BitLocker-protected drive by using a recovery password or a recovery key.
Syntax
manage-bde -unlock {-recoverypassword -password | -recoverykey <pathtoexternalkeyfile>} <drive> [-certificate {-cf pathtocertificatefile | -ct certificatethumbprint} {-pin}] [-password] [-computername <name>] [{-?|/?}] [{-help|-h}]
Parameters
Parameter
Description
-recoverypassword
Specifies that a recovery password will be used to unlock the drive. You can also use -rp as an abbreviated version of this command. This is the recovery key that's saved to a text file and must be written exactly as shown including dashes.
-password
Represents the recovery password that can be used to unlock the drive that either you or your administrator has set.
-recoverykey
Specifies that an external recovery key file will be used to unlock the drive. You can also use -rk as an abbreviated version of this command. This method searches for the .bek recovery key file that is saved to a USB drive.
<pathtoexternalkeyfile>
Represents the external recovery key file that can be used to unlock the drive.
<drive>
Represents a drive letter followed by a colon.
-certificate
The local user certificate for a BitLocker certificate to unlock the volume is located in the local user certificate store. You can also use -cert as an abbreviated version of this command.
-cf <pathtocertificatefile>
Path to the certificate file.
-ct <certificatethumbprint>
Certificate thumbprint which may optionally include the PIN (-pin).
-password
Presents a prompt for the password to unlock the volume. You can also use -pw as an abbreviated version of this command.
-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.
<pathtoexternalkeyfile>
<drive>
<pathtocertificatefile>
<certificatethumbprint>
<name>
Examples
To unlock drive E with a password, type:
manage-bde -unlock E: -password
To unlock drive E with a recovery password, type:
manage-bde -unlock E: -recoverypassword xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx-xxxxxx
To unlock drive E with a recovery key file that's been saved to a backup folder on another drive, type:
manage-bde -unlock E: -recoverykey F:\Backupkeys\recoverykey.bek
manage-bde upgrade
Upgrades the BitLocker version.
Syntax
manage-bde -upgrade [<drive>] [-computername <name>] [{-?|/?}] [{-help|-h}]