I haven't seen any issues with my Joeys when using NetFlix. However I have my Joey's connected using this method I found on DISHs forums: DISH Support Forum • View topic - Netflix not working on Joey 2 Joeys are not connected to the Hopper using RG6.

You need to contact MS support for help and info on how to connect there console to DISH. I know the xbox handles a passthru feature on the console and the DISH HW would need to be connected to it and I presume the TV to back of the console. However handling of the HDMI single is done on the...