I have a Win2k3 corporate server which resides behind a firewall and is a part of Active Directory. Its acting as an app server in some ways and a print server in others. It has standard corporate products installed such as Symantec AV Corporate Edition, with real-time monitoring disabled so as not to interfere with the files the application requires to be opened at the same time - else, the app comes to a grind. However, since this issue begin we've randomly run scans on the server but the AV client log indicates nothing detrimental in terms of viruses picked up.
Windows Firewall is disabled, all hardware and software firmware patches and updates are current. We've run Dell OMSA and everything hardware/software related on the server is upto date or shows no errors.
MS-SMS client is enable, and NT backup exec client is installed but backups are set to run nightly. The Windows Event Log doesn't show anything that stands out (but I'd be more than happy to try various approaches, and supply the Event Log information within the forum if that helps).
The problem I have is that the server reboots itself every other day between 2-4pm.
Any help/thoughts/ideas would be greatly appreciated.