Recoding adult programs.

Nothing happens when I hit record on adult programming on Penthouse Channel. DVR will record other channels but not this one.

https://www.xfinity.com/support/articles/x1-dvr-cloud-technology-recording-playback-faqs says:

What channels are available for recording with the X1 Cloud DVR?

All linear channels on your lineup are included except for Pay Per View, Music Choice and adult channels.