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How to Enable or Disable BitLocker Auto-unlock for a Drive

The auto-unlock feature allows users to access data and removable data drives without having to enter a password each time. It is only valid when using BitLocker to encrypt OS drives. This article describes 3 easy ways to enable/disable the automatic unlock BitLocker protection in Windows 10/8.1/7.

3 ways to turn on/off Auto-unlock for a drive in Windows 10

Way 1: Turn on or off auto-unlock in Manage BitLocker

Click on the Start Menu. In the search box, type "Manage BitLocker", then hit Enter to open the Manage BitLocker windows.

Open Manage BitLocker

To set a BitLocker-protected drive to unlock automatically in a computer that is running in Windows 7, check Automatically unlock this drive on this computer box after typing your password to unlock that drive.

Manage auto unlock drive on Windows 7

If you are using Windows 10, locate to the drive you want to enable auto-unlock, click Turn on auto-unlock in Manage BitLocker windows.

Set auto unlock in manage bitlocker

Return to the Manage BitLocker window to Turn off auto-unlock if you change your mind.

Way 2: Enable/disable BitLocker auto-unlock in Command Prompt

Step 1: Open Command Prompt as an Administrator.

Step 2: You can enable Auto-unlock protector using the following command, replace H with your drive letter.

manage-bde -autounlock -enable H:

Enable bitlocker auto unlock command

You can disable Auto-unlock protector using: manage-bde -autounlock –disable H:

Way 3: Enable/disable BitLocker auto-unlock in PowerShell

Step 1: Click on the Start Menu. In the search box, type "PowerShell", and right-click it in the result list and select to run PowerShell as administrator.

Run powershell as administrator

Step 2: You can enable auto-unlock, run the following command and press Enter. Replace H with your drive letter.

Enable-BitLockerAutoUnlock -MountPoint "H:"

Enable auto unock in powershell

To disable auto-unlock, run the following command and press Enter.

Disable-BitLockerAutoUnlock -MountPoint "H:"