So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.
Fixed. Microsoft! I changed nothing. However, multiple roon.exe listings were in the firewall app list, and some were not checked to allow access through the firewall. Way to go MS.