For administrators who do not use System Center Operations Manager to monitor their Exchange 2010 environment, a thorough understanding of the most important performance counters and their thresholds is critical to establishing a performance baseline and monitoring plan to proactively monitor your Exchange 2010 environment and troubleshoot and resolve issues when they arise.

 

The attached spreadsheet contains our performance and threshhold counters for Exchange Server 2010.

 

For more information on this download see: http://blogs.technet.com/b/exchange/archive/2009/12/14/3409067.aspx