If the server totally locks, then from my experience, the problem is usually
hardware related. I understand that you have run hardware diagnostics on the
server, but since the problem is intermittent, unless the problem happens
while the diagnostic program is running, then it may not be identified.
Confirm that there are no cooling issues with the server (failing fans,
etc.).
Since you experience no performance degradation before the hang, there does
not appear to be a memory leak.
What applications run on the server? Is there any sort of pattern when the
hangs occur (general time of day, specific activity on the server, etc.)?
Based on the speed of the processor, this appears to be a fairly new server.
How long after you got it did the hangs begin? If it was after you had the
server for a period of time, do you recall any changes made just before the
problem began?
Any additional details you can provide would be helpful.
Kevin McNiel, MCSE/MCSA
Platform Server Setup Group
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