Need some Exchange Server hands on time, but don't have access to a lab environment? On this Exchange TechNet Wiki page, you find a list of the current Exchange Server Virtual Labs. These free labs give you 90-minute blocks of time with a manual that guides you step by step through each process or segment.   

Exchange Virtual Labs

Exchange 2003:

Exchange 2007:

Exchange 2010:

Exchange 2013:

Guided Labs

Exchange Hosted Services:

See Also