I have no idea how exactly the WinNT provider gets the information I am afraid but here is a reference of all the properties that you should be able to get from a user account you retrieved with it: <a href="http://msdn.microsoft.com/en-us/libr...(v=VS.85).aspx">http://msdn.microsoft.com/en-us/libr...(v=VS.85).aspx</a> and there is also this article that mentions some properties which are not available when using the WinNT provider: http://msdn.microsoft.com/en-us/li