TechNet Virtual Server Lab
They have virtual servers for SQL Server, Exchange Server 2003, Internet Security and Acceleration (ISA) Server, Microsoft Identity Integration Server (MIIS) 2003, Microsoft Operations Manager (MOM) 2005, Microsoft Systems Management Server (SMS) 2003, Windows Server 2003, and a Security Virtual Lab. This program is free.
Ever wanted to test Microsoft’s newest software in a sandbox environment? Wouldn’t it be great to be able to test new servers immediately, without formatting hard drives or dedicating one or more computers to the project? Now you can, with the TechNet Virtual Lab.





