When using the Get-QADUser or Get-QADObject cmdlet and attempting to retrieve the value of the edsaWTSUserConfigTerminalServerProfilePath attribute, the result is blank or NULL.
This is expected product functionality.
This is a computed attributes which can cannot be returned in bulk queries.
Use native PowerShell to query the value of these attributes.
A good code sample for a method on how this may be achieved is available at this external resource.