What happens at 3AM?
My standalone 702 server always jumps to life at 3AM and the processor starts thrashing for over an hour and the server becomes difficult to use.
I checked the schedule for DW and all the DW jobs are scheduled to run at 00.00 so it is not DW I don't think.
is there some other scheduled database activity that kicks off at 3AM and can it be changed to a different time?