Tablo is connected to Apple TV which is connected to LG television. Was working fine last night. Turned on this morning got got the Following message: Unable to connect to your Tablo. Connection is through Ethernet. All other applications on Apple TV work. Tried rebooting, both Blue button and hard boot. Roku is also connected to LG television. Can run Tablo through Roku without a problem.
Reboot the AppleTV
Rebooting your router also is a good solution if other devices can see the Tablo but one can’t.