Premier on Existing MoCA Network

I currently have a Roamio Pro on a MoCA network along with 3 minis attached to it. I have a TiVo premiere that I want to also connect but when I connect to the coax it just tries to setup as if it is not on a network. I purchased an Actiontec and run the coax through it (Ethernet not attached). Is it possible to connect to the network with the Premier or am I just spinning my wheels?


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