08-16-2016 12:00 PM
08-16-2016 04:44 PM
08-17-2016 03:52 AM
08-18-2016 01:01 AM
Before you do anything else reboot your server (Or where the ACT database is located.)
Then reboot your machines and try again. I think it unlikely that the server would change IP address on its own so a reboot will restart services like SQL and also reconnect to the network