Article ID: 271824 - View products that this article applies to.
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Microsoft recommends that you run the Performance Optimizer (Perfwiz.exe) on an Exchange Server computer after you perform a service pack update.
There are generally modifications and improvements to the Performance Optimizer (Perfwiz.exe) in each service pack.
The Performance Optimizer is a very sophisticated tuning and balancing tool that you should also use in the following situations:
After you run Perfwiz.exe, there may be occasions when some or all of these settings may be imported once again into the registry for additional optimization of the Exchange server.
Article ID: 271824 - Last Review: October 21, 2013 - Revision: 3.2