http://www.virtuall.nl/blog/add-required-features-for-exchange2007-2010-on-win2k8-r2?index_php?view=article&print=1&tmpl=component
Preparing for an Exchange 2007 or 2010 installation you need to add some features in Windows Server 2008 or 2008 R2
JetStress tool
http://www.msexchange.org/articles_tutorials/exchange-server-2010/management-administration/exchange-2010-mailbox-performance-testing.html
Exchange 2010 Mailbox Performance Testing
