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Windows 8.1 /2012 R2: How to add new product keys to your KMS server / Upgrade your VAMT 3.0.

When using a Volume Activation Management Tool ( VAMT ) 3.0 you want to add your Windows 8.1 and Windows server 2012 R2 license keys, to the product keys.

This is NOT possible !!!

Your unable to add the Windows 8.1 and Windows server 2012 R2 product key’s to VAMT 3.0 !

The only way is to upgrade to VAMT 3.1

Download the software from Microsoft:

See how to upgrade:

Normally you can add Product keys, via the actions options

Add the product key, and click Add Key(s)

When the adding fails, you can click on the link

(This is not the correct version! Don’t click on this !!!)

When you have downloaded this version, it is version 8.59.25584.

This is NOT the correct version !!!!!!!

This is the correct version !

You need to download the new version (8.100.26020) from Microsoft :

Install this new version as an administrator

You need .NET Framework 4.5

Wait for installation, and Reboot the server when finished!

After reboot there is an Error

Remove Windows Assessment and Deployment Kit for Windows.

Click Yes

Click Close

Again Run as administrator

Click Next

Choose to join the CEIP program, or not and click Next

Select the VAMT, and click Install.


Close the program

Go back to the VAMT, and select Product keys => Add Product Keys

Add the product key

It will now be successful !

Windows 8.1 is available in VAMT 3.1 !

Activation will succeed now !