http://blogs.msdn.com/iliast/archive/2009/06/09/umdf-debugging-videos.aspxUPDATE: You can find my post about KMDF debugging videos at http://blogs.msdn.com/iliast/archive/2009/09/22/kmdf-debugging-videos.aspx A while back I had written that we didn't have any videos, where we talk about UMDF (KMDF seems to get all the gloryenCommunityServer 2.1 SP1 (Build: 61025.2)