SD menus popping up

I have a set up with a Roamio Plus, a Premiere and a Mini all connected via MoCA. I am in the process of replacing the Premiere I have (2-tuners) with a Premiere 4 (4-tuners).

The Premiere 4 can see the Roamio on the MoCA network and get to My Shows, but when it does, it reverts to the old SD menus instead of staying HD. My old Premiere does not do this.

I've double checked the Menu option in Settings, even switched to SD, then back to HD. But it's still happening. Not the end of the...

SD menus popping up

SD menus popping up