Last week I upgraded the Comcast service in my vacation home to include internet and WIFI. This meant that I needed to replace the existing router with a new one. I returned the original and for some reason could not get the replacement to work, so switched that out with Comcast for another. I finally got the internet to work including the WIFI so all was good.
I bought 2 Roku streaming sticks + specifically to use the Xfinity streaming app. I got the message that I couldnt use it because I needed to be on my in home WIFI. It took a couple of days to sort it out but a great guy from the advanced team in Comcast (Von) wouldnt stop until it was fixed.
The problem was that the first two routers were never removed from my account in the Comcast database and the tech couldnt see my SSID on the newest router. He removed the previous two routers and sent a refresh to the current router. It didnt work right away.
At that point I needed to delete the Xfinity app from Roku, reinstall it and it worked great. Actually both of them.
If you end up with that issue again it may be worth asking how many routers they see and give Comcast the serial number and MAC address of the router that you have on your network.
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