SBS2011 keeps hitting 100% CPU

Hi,

Recently two of my SBS2011 Boxes (different clients) have had issues where occasionally without me knowing they hit 100% CPU load which causes problems. Is there a known problem or something i need to look into troubleshooting?

Thanks,

Josh
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joshhoughAsked:
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joshhoughAuthor Commented:
The issue was to do with the Exchange Server Message Store. What i did was found information on a registry fix where you can set the store to be a maximum size, this fixed the issue.
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Haresh NikumbhSr. Tech leadCommented:
have you check which process is taking maximum load? SQL  / Store/ W3WP.exe?
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joshhoughAuthor Commented:
The problem is when this happens the server becomes completely unresponsive. The best i can do is perform a forced software restart using CentraStage.
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Haresh NikumbhSr. Tech leadCommented:
After reboot, have you verified event logs.. any error events ? which antivrius is installed?
ESET NOD32 have issue with SBS2011

try to disable AV and monitor.
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joshhoughAuthor Commented:
Its got Trend Advanced Worry Free security serving 10 machines.

I'll have a look at event viewer.

Thanks,

Josh
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Sushil SonawaneCommented:
Disable your antivirus and make sure your SBS server 2011 update with latest service pack and install software also like (Exchange, SQL)
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joshhoughAuthor Commented:
This resolved the issue
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