How to take backup of BitLocker keys from Intune admin on multiple user systems

Question

How can an admin take backup of BitLocker keys from Intune server

Answer 1

Connect to Microsoft Graph

Connect-MgGraph -Scopes "DeviceManagementManagedDevices.Read.All"

Get all managed devices with BitLocker information

$devices = Get-MgDeviceManagementManagedDevice -Filter "operatingSystem eq 'Windows'" -Select "id,deviceName"

foreach ($device in $devices) {

$bitlockerKey = Get-MgDeviceManagementManagedDeviceBitLockerRecoveryKey -ManagedDeviceId $device.Id

# Export to CSV or store as needed

}

1. Using the Intune Portal:

• Navigate to Endpoint Manager admin center
• Go to Devices > All devices
• Select a device
• Click on "BitLocker" tab
• View or export recovery keys
• Using the Intune Portal:
• Navigate to Endpoint Manager admin center
• Go to Devices > All devices
• Select a device
• Click on "BitLocker" tab
• View or export recovery keys

PowerShell Script to export all keys:

Install required module if not present

Install-Module -Name Microsoft.Graph.Intune

Connect to MS Graph

Connect-MSGraph

Get all Windows devices

$devices = Get-IntuneManagedDevice | Where-Object operatingSystem -eq "Windows"

Create array for results

$results = @()

foreach ($device in $devices) {

$bitlockerKeys = Get-IntuneManagedDeviceBitLockerRecoveryKey -managedDeviceId $device.id



foreach ($key in $bitlockerKeys) {

    $results += [PSCustomObject]@{

        DeviceName = $device.deviceName

        UserPrincipalName = $device.userPrincipalName

        DriveType = $key.driveType

        RecoveryKey = $key.key

        VolumeId = $key.volumeId

        CreatedDateTime = $key.createdDateTime

    }

}

}

Export to CSV

$results | Export-Csv -Path "BitLockerKeys.csv" -NoTypeInformation

1. Using Azure Portal:

• Azure Portal > Azure Active Directory
• Devices > All devices
• Select device
• BitLocker tab
• View recovery keys
• Using Azure Portal:
• Azure Portal > Azure Active Directory
• Devices > All devices
• Select device
• BitLocker tab
• View recovery keys

Answer 2

@Nicholas Okenwa, Thanks for posting in Q&A.

From your description, I know you want to take backup of BitLocker keys from Intune admin on multiple user systems.

Based on my research, here are some possible methods you can refer to.

1.You can view and export BitLocker recovery keys directly from Intune portal.

https://learn.microsoft.com/en-us/mem/configmgr/tenant-attach/bitlocker-recovery-keys

2.You can use PowerShell script to back BitLocker recovery keys to Azure AD.

https://github.com/jmanuelng/MEM_BitlockerKeyBackup

https://msendpointmgr.com/2021/01/12/migrate-bitlocker-to-azure-ad/

Non-official, just for reference.

Also, you can try the method mentioned by @Zafer KAYA.

Hope it will help.

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