Activating Windows 10 on Windows Server 2008 R2, Windows Server 2012 and 2012 R2 KMS hosts.

Applies to:
Windows Server 2012 R2
Windows Server 2012

Windows Server 2008 R2
Windows 7

Note:  Windows 10 activation is not supported on:  
•Windows Server 2008 KMS hosts
•Windows Vista KMS hosts
•Windows Server 2003 KMS hosts

Date: 08/05/2015

Updated 9/16/2015



3086418 Error 0xC004F015 while activating Windows 10 Enterprise using Windows Server 2012 R2 KMS Host

3058168 Update that enables Windows 8.1 and Windows 8 KMS hosts to activate a later version of Windows


3079821 Update that enables Windows 7 and Windows Server 2008 R2 KMS hosts to activate Windows 10

which points to:

Update for Windows 7 for x64-based Systems (KB3079821)

Comments (9)
  1. Pavel Kuznetesov says:

    Also, you need udate VAMT from Windows 10 ADK!

  2. NeighborGeek says:

    Does the same hotfix also apply if we’re using Active Directory Based Activation instead of KMS?

  3. Andrew says:

    If you need the full step-by-step guide to get this working, I put together a guide:

  4. TechCheezer says:

    NeighborGeek, yes it does. I put together a full set of instructions here:

  5. Billy says:

    When will you be able to use 2008 R2 to activate 10?

  6. DerkaDerk says:

    As per support for Server 2008 R2 and Windows 7 as KMS hosts is coming. When, who knows…

  7. Eneko says:

    Thank you Pavel for your comment, installing the VAMT from Windows 10 ADK did the trick for us. But we had troubles finding the ADK, Microsoft has decided to remove the download…

    Windows Assessment and Deployment Kit (Windows ADK) for Windows 10 Technical Preview

    but in the next page we found the file:

    At the bottom of the next page:

    Where it says "Download the Windows ADK for Windows 10"


  8. tony says:

    When is the fix available for Windows Server 2008 R2 KMS?

  9. @Billy and Tony, at the moment, there is no ETA of when the update for a Windows Server 2008 R2 KMS is coming besides what’s documented in as DerkaDerk pointed out. I’ll make sure to update the blog post as soon as it’s available. Thx. Yong

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