I just updated my AppleTV to the latest software and the integration broke. The IP address is the same (I thought it might have changed). Has this happened to anyone else? I'm not going to rip stuff apart yet.... Hopefully there is an easy fix. FYI - the commands are being sent from the server but the ATV doesn't respond.
Fixed it... For some reason the Device Address was blanked out after the update... Followed these instructions "If the Device Address field is blank and the Serial Number file has the Device Address in it: Usually on a successful discover the serial number should contain a long GUID unique identifier and the Device Address field will have the AppleTV mac address." and it was fine.