Windows Server 2008 R2 Hyper-V Licensing Overview

hyper-v

This is a little Overview how you can license Windows Server 2008 R2 in a Hyper-V Environment. One of the biggest advantages  of Hyper-V over VMware are the included Guest OS Licenses. For example if you buy a Windows Server 2008 R2 Datacenter license (of each CPU of your physical Server) you can deploy unlimited Windows Server 2008 R2 Datacenter Virtual Machines on this Host.

This Overview should help you understand how this works.

LicenseLicense modelsPhysicalVirtual
Windows Server 2008 R2 FoundationServer License10
Windows Server 2008 R2 StandardServer + CAL
Processor or SAL
11
Windows Server 2008 R2 EnterpriseServer + CAL
Processor or SAL
14
Windows Server 2008 R2 DatacenterProcessor + CAL1unlimited
Windows Server 2008 R2 for Itanium-Based SystemsProcessor + CAL1unlimited
Windows Web Server 2008 R2Server License10 (or 1)
Hyper-V Server 2008 R2Free10

 

If you need more infos you can find this here.