List managed devices API returns null for ethernetMacAddress

Question

When querying managed devices through list managed devices Graph API (v1.0) the ethernetMacAddress stays null, while if I query single device, then I get the ethernetMacAddress. Even on https://endpoint.microsoft.com/ portal, I'm able to see mac address
Is this permission issue?
I have configured below permissions

When querying list of managed devices with '/deviceManagement/managedDevices' , I get null for ethernetMacAddress

But if I query single device, I get mac address

Referred https://learn.microsoft.com/en-us/answers/questions/732046/devicemanagement-manageddevices-missing-mac-addres, but didn't find solution. Is there a way to get all managed devices without nullifying fields.

Note that in description for ethernetMacAddress in https://learn.microsoft.com/en-us/graph/api/resources/intune-devices-manageddevice?view=graph-rest-1.0, it is mentioned that default value for ethernetMacAddress is null, but we need a way to list all managed devices without individual get call to each device.

Answer 1

I suppose you didn't read the second part of the property's description? :)

Indicates Ethernet MAC Address of the device. Default, is Null (Non-Default property) for this property when returned as part of managedDevice entity. Individual get call with select query options is needed to retrieve actual values. Example: deviceManagement/managedDevices({managedDeviceId})?$select=ethernetMacAddress Supports: $select. $Search is not supported. Read-only. This property is read-only.

The same behavior is observed by other properties/resources across the Graph, you get null/default values when using the LIST method, and have to use individual GET requests (with or without $select) to get the "real" property value.