Activating Windows 10 KMS against Windows Server 2012/R2

Yesterday Microsoft unleashed their Windows 10 content in the VLSC (Volume Licensing Service Center). I eagerly downloaded the ISOs and started building my ConfigMgr deployment. While building my boot images, I switched gears to get my KMS environment all set.

First I installed KB3058168, which adds support for Windows 10 clients. Then I opened Volume Activation Tools and attempted to install the Windows 10 KMS key from VLSC, but received the error “The Software Licensing Service reported that the license is not installed.

After some troubleshooting and stumbling, I discovered that the Windows 10 KMS key on VLSC is not the correct key! The correct key can be found here:

  1. Log in to VLSC, click License, then click Relationship Summary
  2. Select the License ID of your current active license
  3. Click the Product Keys tab
  4. Scroll down and look for “Windows Srv 2012R2 DataCtr/Std KMS for Windows 10” – this is the correct key you should use.

Now we’re ready for activating Windows 10!

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