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How to install KMS key for Windows 2012 R2 / Windows 8.1 on Windows Server 2008 R2 host (also for hosts with Windows 7, Windows 8, Windows Server 2012)


Install Updates to support W 8.0/8.1 WS2012/R2 activation




Install .NET Framework 4.0 or 4.5 (VAMT Prep)



Uninstall previous versions of Windows Management Framework 3.0 if installed and install Windows Management Framework 3.0 (VAMT Prep)

Windows6.1-KB2506143-x64 -> for WS 2008 R2

Install VAMT 3.1 (included in Windows ADKK) (VAMT Prep)

Download Windows ADKK for Windows 8.1

 Now using "1. SLMGR" or "2. VAMT" to setup KMS ... I would prefer slmgr, because I had trouble using VAMT on Windows Server 2008 R2.

 Use the WS2012R2 KMS host key on Windows Server 2008 R2, because W8.1 host key could not be added and you will get an error.

  1. SLMGR
  • vbs /upk (to uninstall old keys, do a restart if possible)
  • vbs /ipk 12345-12345-12345-12345
  • vbs /ato (do a restart if possible)
  1. VAMT

Start the installer and select VAMT and MS SQL Server 2012 Express checkboxes in the Wizard.

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