Windows Server 2003/ISA 2006 computer has been restarting unexpectedly
Hey everyone! Got a server here that's been chugging along great, nothing has changed to it, it's an ISA server and it's configuration has remained the exact same. Recently, I walked into the server room and noticed the hard drive activity light was on for a long period of time, so I RDC'd into the server and noticed it was rebuilding it's mirror [Windows software mirroring, 2 drives]. I had a look through the event viewer and found that it had restarted. The strange thing is I had RDC'd into that server a couple days prior on Patch Tuesday and had a look for what it needed, but didn't install anything. It's uptime at that point was around 80 days, no problems. So I didn't think anything of it. But somehow within the last 2 days, the darn thing has restarted itself around 10 times, maybe more. The only thing I've noticed is that one of the disks in the software mirror has an exclamation point over it, so I'll replace that later today, but still, that shouldn't matter shouldn't it? That's the point of a software mirror, it should operate on one disk.
This is the only suspicious item in the event log:
The COM sub system is suppressing duplicate event log entries for a duration of 86400 seconds. The suppression timeout can be controlled by a REG_DWORD value named SuppressDuplicateDuration under the following registry key: HKLM\Software\Microsoft\Ole\EventLog.
Is that normal? I actually filtered the System for event ID 10026 which is the one above, and it looks to be normal, it's been occuring on every start up the server has ever had. So maybe it is the disk...who knows?
Thought I'd poll my favorite group of IT troubleshooters over here.
Thanks guys for any advice! I'll be doing the usual memory test and hard drive tests later today.
PS. Coincidentally...I woke up this morning, and my personal desktop, which has had 0 problems since I purchased it in January 2004...had an unexpected shutdown last night. Still trying to find the problem, but that's unrelated I'm sure.