Hi madray, thank you for reaching out here on our forums and if you are receiving that message the device isn't supported at this time.
With the pending loss of VOD on my TiVo, it would be nice to be able to use HBO Go. When I try to activate the service, i am told that Xfinity does not support HBO Go on this device. Can this be fixed?
It's been this way for years with HBO Go (similar with Starz) and the standard response received is "Comcast does not support this feature but you can access using the Xfinity Stream App." Needless to say, don't expect to see it supported anytime soon.
Hello madray, I haven't heard from you but please reach back out if you still need assistance.