KMS activation of Windows 8 and Windows Server 2012

Microsoft has published hotfix for Key Management Service (KMS) for Windows 7 and Windows Server 2008 R2 to allow enterprise activation of Windows 8 and Windows Server 2012. This update is publish under article id 2691586 or .
After installation of this hotfix, and rebooting when prompted you can install new KMS host key for Windows 8 or Windows Server 2012 using slmgr :
cscript slmgr.vbs /ipk <KMS Host key>
and activate :
cscript slmgr.vbs /ato
After successful activation of KMS host key, you can activate machines with installed Windows 8 or Windows Server 2012.

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