Solution to lost channels

I lost my network channels on xfinity stream on my Roku tv. After failed attempt with xfinity support I found the simple answer here. You need to reconnect your provider  with the networks. I went to abc.com hit the person icon in upper right corner and then click link to tv provider. I did this and all my lost stations came back. I only had to reconnect with the one. Success! No upgrades etc needed!