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I agree with MegaNuk3, you need to run hardware diagnostic on storage environment and need to update the drivers and firmware of your storage environment ,also run chkdsk on Readonly mode on drive and make sure the drive is clean.<br />
<br />
Also do the above steps suggested by MegaNuk3.
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Thanks for the points, did you solve the problem?
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HI, <br />
<br />
Starting earlier today, we noticed a slow down in our Exchange server. &nbsp;The slow down was both was mail, and connecting to the server. &nbsp;After pulling the performance monitors, we see Avg. Disk queue length and page/sec pegged at 100. &nbsp;Any suggestions where I can begin to look?<br />
<br />
Thanks
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HI, 

Starting earlier today, we noticed a slow down in our Exchange server.  The slow down was both was mail, and connecting to the server.  After pulling the performance monitors, we see Avg. Disk queue length and page/sec pegged at 100.  Any suggestions where I can begin to look?

Thanks

I agree with MegaNuk3, you need to run hardware diagnostic on storage environment and need to update the drivers and firmware of your storage environment ,also run chkdsk on Readonly mode on drive and make sure the drive is clean.

Also do the above steps suggested by MegaNuk3.

Thanks for the points, did you solve the problem?

Exchange 2007 Average Disk Queue Length

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.