Windows 2008R2 64bit server restarting unexpectedly

I installed windows 2008R2 64 bit on HP Proliant DL380 G6 servers,windows updated and installed anti virus, still the server is restarting often unexpectedly. I couldnt use the HP Smart Start since it wasnt supporting WIN2008R2.I booted with OS cd and installed windows then downloaded the drivers from HP and configured all. I have 8 servers, initially i thought issue could be hardware failure but almost all servers are restarting and when i check event viewer i found "source kernel-power event id 41". please advise ASAP.
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Arabsoft-ACSAuthor Commented:
the above link doesnt show any solution, am facing the same issue with alk servers. yes they are eight servers. Please advise ASAP
Could you try with one server ?
Thanks for the points! Happu new year!
Why were the points awarded when there was no solution???
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