Video sharing was already checked for all boxes. No idea what "force connections" means, but all the boxes, routers, modems, etc. have been rebooted multiple times since I noticed this problem. The ethernet cable is brand new Cat 6 cable. (All are) I assume you mean topology for the Roamio since the others are all working just fine between themselves. Coaxial into Roamio, into Tuning Adapter (TA) and into brand new Netgear N600 WiFi Cable Modem Router. The modem calls itself a combination Modem/Router. I am using a Linksys router, the Netgear is being used as a modem only. Ethernet Cat 6 from Modem to Roamio USB from TA to Roamio Hope that covers all.