"Failed while negotiating" for a week, Roamio Pro

My TiVo Roamio Pro hasn't connected to the TiVo Service since Sunday, 7/16. I've done all the troubleshooting like restarting, unplugging, changing the network from wireless to ethernet and back, forced several connections, restarted the router and switch, changing ethernet cables and ports, and nothing but "Failed while negotiating". The rest of the internet things on the TiVo (What to Watch Now) are fine and working properly. The TiVo status webpage says everything is working. The...

"Failed while negotiating" for a week, Roamio Pro

"Failed while negotiating" for a week, Roamio Pro