store.exe maxing CPU randomly on SBS 2003

Xetroximyn
Xetroximyn used Ask the Experts™
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Store.exe is maxing out the CPU and making the server very slow to respond.  Any idea what might cause this?

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Commented:
Install the last version of store.exe which includes previous fixes and we'll troubleshoot after that if the problem still exists
http://support.microsoft.com/kb/977720
Commented:
Make sure any file level anti-virus you have installed on the server is not scanning the Exchange files e.g. EDB, STM, CHK & LOG
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013
Commented:
I would suggest you start by reviewing your Event logs and then ensuring you have the latest Exchange Service Pack and updates installed.  If it's still occurring, you need to try to determine what is going on - tools like Process Explorer can be helpful and seeing WHEN it's using high CPU and then seeing if, during that time, something else is also running - like an Antivirus product or a backup.

Run the Exchange BPA and the SBS BPA as well - perhaps you have something misconfigured.

Finally, assuming those don't go anywhere, I'd suggest checking the Exchange Databases health... maybe rebuild the database and see if that helps things (I could see a bad spot on the disk potentially causing issues).
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Author

Commented:
If it makes a difference, it bounces.  Meaning it maxs for about 8 seconds, then over 5 seconds comes down to about 11% or less, then goes right back up to max for about 8 seconds.    Looking at the line graph, it looks VERY regular.  (see screenclip attached)
ScreenClip.png
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013
Commented:
Recommendations for troubleshooting an Exchange Server computer with antivirus software installed
This may also help - http://support.microsoft.com/kb/245822

Author

Commented:
I would not be too surprised if things are out of date on the server.  It is not taken care of very well at all.

This is something that happened before months back, and went away on its own eventually.  

Sounds like there is nothing I can do in the short term to perhaps help?   Just updating the server, which I would have to do on off hours, when downtime would be OK -- right?

Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013
Commented:
I would make a full backup before doing anything significant to it... just to be safe.

Once that's done, apply the Windows and Exchange updates.

In the mean time *I* wouldn't be worried about downloading the SBS BPA and running that to see what it thinks you need to do (it's a diagnostic tool, and in and of itself, shouldn't change much if anything).

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Commented:
Thanks!

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