Integrate MDT with ConfigMgr 2103 or Later

If you tried to integrate MDT with a new installs of ConfigMgr 2103 or later you probably learned that the MDT console extension won't show by default, even after running the Configure ConfigMgr Integration wizard. This is because of a security change Microsoft did for console extensions. To allow for the MDT extensions, open your site hierarchy settings, and clear the Only allow console extensions that are approved for the hierarchy check box.