Microsoft Hyper-V Server 2008 R2 is stand-alone product for virtualization for better utilization of your hardware reducing cost. Hyper-V Server 2008 R2 comes with lot of new features like Live Migration, Expanded Processor and Memory support for host machines. Along the ways single solution for all of your consolidated virtual servers running on single physical server.
Microsoft Hyper-V Server 2008 R2 beta is available for download. Back in September 2008 Microsoft released the standalone virtualization server solution for virtualization called as Microsoft Hyper-V Server 2008 for free. Requirements for the Hyper-V Server 2008 R2 are similar to Hyper-V Server 2008.
The Microsoft Hyper-V Server solution is good for the Test & Development Environments, Branch Offices and for Basic Server Consolidation.
Note: This is a pre-release version of Microsoft® Hyper-V™ Server 2008 R2 and not intended to be used in a production environment.
For more information visit about Hyper-V Server 2008 visit http://www.microsoft.com/servers/hyper-v-server/default.mspx
You can download Microsoft® Hyper-V™ Server 2008 R2
Also, download Microsoft® Hyper-V™ Server 2008 R2 (beta) Configuration Tool Guide