High disk utilization/Queue on SBS2011

Hi experts,
I have an SBS2011 server that has high disk utilization almost constantly. It's causing programs and file access in general to be slow. As a reference, I have run virus and malware scans that come back clean.

What I've noticed (see attached screenshot) is that SQLSERVER is the highest listed disk utilization listed. Let me say right up front that I do not know if that is what the root cause is, just an observation...

The only SQLServer running is SBSMONITORING. Sharepoint was running but as a troubleshooting step I stopped that, but the high utilization continues. Just for reference, we do not use sharepoint at all...

Has anyone seen this or have any suggestions on how to narrow down what might be causing this?

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ChiITAuthor Commented:
An update. I restarted the SBSMONITORING SQL Server service and the queue dropped significantly.

I'll monitor to see if it creeps back up....

after sbs2011 sql restart
ChiITAuthor Commented:
One more update...after restarting the SBSMONITORING service, now it's taking up 25% cpu time, which seems high..

Has anyone experienced issues with SBSMONITORING similar? It is a required service for SBS2011 or can I turn it off?

cpu util
Scott CSenior EngineerCommented:
25% CPU Utilization is not high.  When running a healthy Exchange 2013 server normal CPU utilization is around 40%.

You can always run a perfwiz and if exchange is on it ExPerfWiz.

Analyze these log files using PAL and see what the report shows.



We used these tools all of the time at MS when diagnosing performance issues on Exchange servers.  It's a great place to start.
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I will start with running BPA (Best practice analyzer) for SBS 2011.

It can be that the SBSMONITORING DB is to big or is having so other problems. You can try to recreate the database: http://blogs.technet.com/b/sbs/archive/2011/08/22/how-to-recreate-the-sbsmonitoring-database.aspx
Can you tell us a little bit more about your HW configuration.

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ChiITAuthor Commented:
Thanks to both of you, I will give the BPA and ExPerfWiz a try.

Its a Dell Power Edge T320  with an Intel Xeon E5-1410 (2.8Ghz) with 32G of RAM.

It is running Exchange, and all of the other SBS2011 services...thought as mentioned we do not use sharepoint at all.
ChiITAuthor Commented:
I only just ran the BPA for now and it turned up nothing really...I'll work on the other analyzers tomorrow..

Scott CSenior EngineerCommented:
Be sure to run the results of ExPerfWiz through PAL.  It will take some time but the report it generates will be worth it.
ChiITAuthor Commented:
Hi, the technet helped a lot as well as the itquibbles article. thank you for the assist on this!
You are welcome!
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