Trying to get Intune device hardware information with Graph, but some of the data comes back null

Question

Hello I am trying to get Intune device hardware data with Graph and I am not having any luck. Most of it comes back null
At this point I am just trying to get the System Management BIOS version which shows in Intune on the hardware tab of a device.

Using this command (Get-MgDeviceManagementManagedDevice -ManagedDeviceId $ManagedDevice.Id).HardwareInformation

The documentation show it should return data.
https://learn.microsoft.com/en-us/graph/api/intune-devices-windowsmanageddevice-get?view=graph-rest-beta
https://learn.microsoft.com/en-us/graph/api/resources/intune-devices-hardwareinformation?view=graph-rest-beta

The graph explorer also returns null data.
GET https://graph.microsoft.com/beta/deviceManagement/managedDevices/xxxxxxxx-xxxxx-xxxxx-xxxxx-xxxxxxxxxxx

The data is in Intune as you can see here. Where is this data stored in Graph?

Any help would be appreciated.

Answer 1

There is an issue with the Graph API for Hardware Info - it's with the product group: https://learn.microsoft.com/en-us/answers/questions/853673/microsoft-graph-api-physical-memory-info-for-manag.html

Suggest this has flow on effects to all the other PowerShell modules.

Add $select=hardwareInformation to the end of your graph explorer query to get the info.

Answer 2

@Nick Eckermann Thanks for posting in our Q&A.

From your description, it seems an issue. Generally, if we can see the bios-version in intune portal, we will see it via Graph. Honestly, I couldn't repeat this situation because the Bios-version shows null in my intune portal and also shows null via Graph.

Please understand that graph issue is more related to develop scope. With Q&A limitation resources, it is suggested to create an onlin support ticket to get more accurate help. Here is the support link:
https://learn.microsoft.com/en-us/mem/get-support

Thanks for your understanding.

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Answer 3

Look at this page, where it get's an output to the hardwareinformation.
https://wetterssource.com/get-device-notes-from-graph

Answer 4

Based on comments from @Lu Dai-MSFT

I was able to accomplish what I needed with this.

Disconnect-Graph  
Connect-MgGraph -Scopes DeviceManagementManagedDevices.Read.All, Directory.ReadWrite.All  
Select-MgProfile -Name beta  
$ManagedDevices = Get-MgDeviceManagementManagedDevice -Filter "Model eq 'HP EliteBook 840 G8 Notebook PC'"  
  
foreach ($ManagedDevice in $ManagedDevices){  
    # Get hardware details for the device  
    $ManagedDeviceHardware = (Get-MgDeviceManagementManagedDevice -ManagedDeviceId $ManagedDevice.Id -Property "hardwareInformation").HardwareInformation  
  
    # Flag which basebase board the device is and add ExtensionAttribute per baseboard  
    if (($ManagedDeviceHardware.Model -eq 'HP EliteBook 840 G8 Notebook PC') -and ($ManagedDeviceHardware.SystemManagementBiosVersion -like 'T76*')){  
        Write-Output -InputObject "$($ManagedDevice.DeviceName) is a HP EliteBook 840 G8 Notebook PC with the 880D Baseboard"  
        # Parameters for setting ExtensionAttribute  
        $Parameters = @{  
            ExtensionAttributes = @{  
                ExtensionAttribute1 = "HP EliteBook 840 G8 Notebook PC 880D"  
            }  
        }  
        # Add ExtensionAttribute1 to Device  
        Update-MgDevice -DeviceId $ManagedDevice.Id -BodyParameter $Parameters  
  
    }elseif (($ManagedDeviceHardware.Model -eq 'HP EliteBook 840 G8 Notebook PC') -and ($ManagedDeviceHardware.SystemManagementBiosVersion -like 'T39*')) {  
        Write-Output -InputObject "$($ManagedDevice.DeviceName) is a HP EliteBook 840 G8 Notebook PC with the 8AB3 Baseboard"  
        # Parameters for setting ExtensionAttribute  
        $Parameters = @{  
            ExtensionAttributes = @{  
                ExtensionAttribute1 = "HP EliteBook 840 G8 Notebook PC 8AB3"  
            }  
        }  
        # Add ExtensionAttribute1 to Device  
        Update-MgDevice -DeviceId $ManagedDevice.Id -BodyParameter $Parameters  
  
    }elseif (($ManagedDeviceHardware.Model -eq 'HP EliteBook 840 G8 Notebook PC') -and ($ManagedDeviceHardware.SystemManagementBiosVersion -like 'T37*')) {  
        Write-Output -InputObject "$($ManagedDevice.DeviceName) is a HP EliteBook 840 G8 Notebook PC with the 8AB8 Baseboard"  
        # Parameters for setting ExtensionAttribute  
        $Parameters = @{  
            ExtensionAttributes = @{  
                ExtensionAttribute1 = "HP EliteBook 840 G8 Notebook PC 8AB8"  
            }  
        }  
        # Add ExtensionAttribute1 to Device  
        Update-MgDevice -DeviceId $ManagedDevice.Id -BodyParameter $Parameters  
    }else {  
        Write-Output -InputObject "Unable to determine the Baseboard "  
    }  
}  

Answer 5

Some attributes also need a $select to pull the property. When you're doing a LIST on multiple managed devices, some properties are not returned in the LIST. You'll need to do a GET on the specific managed device, and include $select in the URL with the properties you want to retrieve.