cannot connect to my pc

I have pocketcloud pro. I added a second pc to my list. This pc required me to install a vcn server, which the first pc did not require me to do. Anyways, now when I log onto my pocketcloud, the first pc, which was working until I added a second pc, is no longer on my list of discoverable pc's. I tried to manually add it by entering the IP address and the RDP port etc. It added the pc to the list but I cannot connect to it.