How long was it turned off? Is it possible you missed a Connector update?
Try opening an RDP connection into the server and open the console from there. Then force an update check to make sure the system is completely up to date.
-Martin EX475 + 11TB, 2 GB mem, LE-1640, HP 3.0 Upgrade, External DVD (USB) PC's: Windows 7 64 Pro, Laptops: Vista Home Premium (32), XP Home SP3 Network: DLink DIR-855