An update is available for Windows 7 and Windows Server 2008 R2 KMS hosts to support Windows 8 and Windows Server 2012
This update extends the Key Management Service (KMS) for Windows 7 and Windows Server 2008 R2 to allow enterprise licensing of Windows 8 and of Windows Server 2012.
KMS provides support for the following KMS client activations:
Windows Server 2008 R2 and Windows Server 2008 R2 Service Pack 1 (SP1)
Windows Server 2008 and Windows Server 2008 Service Pack 2 (SP2)
Windows Server 2012
Windows 7 and Windows 7 Service Pack 1 (SP1)
Windows Vista and Windows Vista Service Pack 2 (SP2)
Key Management Service (KMS) uses a KMS host key to activate KMS on a KMS host, and to establish a local activation service in your environment. This update extends support for KMS to provide activation for Windows 8 and for Windows Server 2012.