I believe the problem has been resolved. So far so good, I disabled uPnP on all 7 cameras. Put all cams on DHCP, but reserved all seven IPs by MAC address on the router. I did a couple of things for good measure, I disabled the Bonjour service on all cams and disable uPnP on the router as well.
Thank you, JavaLawyer for your advice.
Currently, D-View Cam is working perfectly.
Oh yeah, just last week when I only had four cameras, I captured a burglary attempt and used FB to get an identity. Hung up fliers and the bad guy actually contacted me telling me there was a misunderstanding. Either way, he was arrested today!