Exchange 2010 load generators

Microsoft Exchange Server Jetstress 2010 (64 bit)

Simulate disk I/O load on a test server running Exchange to verify the performance and stability of your disk subsystem before putting your server into a production environment.

http://www.microsoft.com/en-ca/download/details.aspx?id=4167http://technet.microsoft.com/en-us/library/ff706601

Exchange Load Generator 2010 (64 bit)

Exchange Load Generator is a simulation tool to measure the impact of MAPI, OWA, ActiveSync, IMAP, POP and SMTP clients on Exchange servers.

http://www.microsoft.com/en-us/download/details.aspx?id=20322