At the time I'm not sure if the GC's where able to be contacted as I had just turned all servers back on. I believe this is why the Microsoft Exchange System Attendant failed to start [this time].
But this has happened before where the IS failed to start even with the GC's up and running.
x64 Dell 2900 Server has 8GB RAM. RAID 1 and 5, Originally 1 terabyte HDD space, but it only runs exch2007.