Had one of those days today that we all dread as technicians/network managers. Walk into the office this morning and pounced upon by various members of staff shouting "No one can log on!"
Into the Server room and all the servers apart from one is switched on and running. The main DC which also houses the CSE Database is dead as a dodo.
Initial indication would be a power failure, but no, all others UPS' are running and not reporting an issue. Power