--- title: Manage BitLocker recovery password description: Learn how to recover BitLocker keys from Microsoft Entra ID and Active Directory Domain Services (AD DS). ms.collection: - highpri - tier1 ms.topic: how-to ms.date: 09/29/2023 --- # Recovery password ## Reset recovery password It's recommended to invalidate a recovery password after its use. In following example, all recovery passwords are removed from the OS drive #### [:::image type="icon" source="images/powershell.svg"::: **PowerShell**](#tab/powershell) #### Remove all recovery passwords for the OS volume ```PowerShell (Get-BitLockerVolume -MountPoint $env:SystemDrive).KeyProtector | ` where-object {$_.KeyProtectorType -eq 'RecoveryPassword'} | ` Remove-BitLockerKeyProtector -MountPoint $env:SystemDrive ``` #### Add a BitLocker recovery password protector for the OS volume ```PowerShell Add-BitLockerKeyProtector -MountPoint $env:SystemDrive -RecoveryPasswordProtector ``` #### Backup the BitLocker recovery password to Microsoft Entra ID This step is not required if the policy setting **Choose how BitLocker-protected operating system drives can be recovered** is configured to **Require BitLocker backup to AD DS**. ```PowerShell (Get-BitLockerVolume -mountpoint $env:SystemDrive).KeyProtector | where-object {$_.KeyProtectorType -eq 'RecoveryPassword'} | ft KeyProtectorId,RecoveryPassword BackuptoAAD-BitLockerKeyProtector -MountPoint $env:SystemDrive -KeyProtectorId "{GUID}" ``` #### [:::image type="icon" source="images/cmd.svg"::: **Command Prompt**](#tab/cmd) `manage-bde.exe` can be used to remove the old recovery password and add a new recovery password. The procedure identifies the command and the syntax for this method. ##### Remove previous recovery passwords for the OS volume ```cmd manage-bde.exe -protectors -delete C: -type RecoveryPassword ``` ##### Add the new recovery passwor ```cmd manage-bde.exe -protectors -add C: -RecoveryPassword ``` ##### Obtain the ID of the new recovery password ```cmd manage-bde.exe -protectors -get C: -Type RecoveryPassword ``` From the screen, copy the ID of the recovery password. ##### Back up the new recovery password to AD DS This step is not required if the policy setting **Choose how BitLocker-protected operating system drives can be recovered** is configured to **Require BitLocker backup to AD DS**. ```cmd manage-bde.exe -protectors -adbackup C: -id {EXAMPLE6-5507-4924-AA9E-AFB2EB003692} ``` > [!NOTE] > The braces `{}` must be included in the ID string. --- ## Retrieve Bitlocker recovery keys for a Microsoft Entra joined device ``` PowerShell function Get-EntraBitLockerKeys{ [CmdletBinding()] param ( [Parameter(Mandatory = $true, HelpMessage = "Device name to retrieve the BitLocker keys from Microsoft Entra ID")] [string]$DeviceName ) $DeviceID = (Get-MGDevice -filter "displayName eq '$DeviceName'").DeviceId if ($DeviceID){ $KeyIds = (Get-MgInformationProtectionBitlockerRecoveryKey -Filter "deviceId eq '$DeviceId'").Id if ($keyIds) { Write-Host -ForegroundColor Yellow "Device name: $devicename" foreach ($keyId in $keyIds) { $recoveryKey = (Get-MgInformationProtectionBitlockerRecoveryKey -BitlockerRecoveryKeyId $keyId -Select "key").key Write-Host -ForegroundColor White " Key id: $keyid" Write-Host -ForegroundColor Cyan " BitLocker recovery key: $recoveryKey" } } else { Write-Host -ForegroundColor Red "No BitLocker recovery keys found for device $DeviceName" } } else { Write-Host -ForegroundColor Red "Device $DeviceName not found" } } Install-Module Microsoft.Graph.Identity.SignIns -Scope CurrentUser -Force Import-Module Microsoft.Graph.Identity.SignIns Connect-MgGraph -Scopes 'BitlockerKey.Read.All' -NoWelcome ``` ### Output example ``` PowerShell PS C:\> Get-EntraBitLockerKeys -DeviceName DESKTOP-53O32QI Device name: DESKTOP-53O32QI Key id: 4290b6c0-b17a-497a-8552-272cc30e80d4 BitLocker recovery key: 496298-461032-321464-595518-463221-173943-033616-139579 Key id: 045219ec-a53b-41ae-b310-08ec883aaedd BitLocker recovery key: 158422-038236-492536-574783-256300-205084-114356-069773 ```