Both my Premieres started giving a giving bogus " No Connection - Your Tivo is not connected to the network" error in the HDUI menus at about 4:00pm CDT. The TiVos can see each other, can make their daily connections, pass the port configuration and DNS tests. So they are connected to the Internet. I figure the problem is somewhere upstream. Either the TiVo servers are down, suffering from a DoS attack or my ISP is blocking. I am Comcast Houston. Anyone else seeing this problem?