When we install on servers (via RDP) or on workstations (using VNC), after the brief connection drop, you can simply reconnect. There shouldn't be any trouble from that standpoint. Another alternative if you're worried about getting stuck before a reboot is to export an installation package with a reboot built in. Then you can simply copy the install package to the server, kick off the install, and when the install is finished the server will reboot and come up nice and fresh on its own.