2012 R2 KMS Host - activating Windows 10?

As for the pre-req update, I understand I'll need to install KB3058168 (its pre-req KB2919355 is already installed).
But in my Product Keys section in Relationship Summary, I see a Product for "Windows 10 KMS" as well as the product "Windows Srv 2012R2 DataCtr/Std KMS for Windows 10".
Which should I use? Both are different keys.
My KMS host is a 2012 R2 server. And I have product keys currently for 2012 R2 Std Data, Office 2010 and Office 2013.
garryshapeAsked:
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LesterClaytonCommented:
Use Windows Srv 2012R2 DataCtr/Std KMS for Windows 10 - will not interfere with Office

This is my KMS Server /DLV all output (trimmed):

Software licensing service version: 6.3.9600.17809

Name: Windows(R), ServerStandard edition
Description: Windows(R) Operating System, VOLUME_KMS_2012-R2_WIN10 channel

Name: Office 15, OfficeKMSHostVL_KMS_Host edition
Description: Office 15, VOLUME_KMS channel

Name: Microsoft Office 2010, KMSHost edition
Description: Microsoft Office 2010 KMS, VOLUME_KMS channel

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garryshapeAuthor Commented:
It seems to show me the VOLUME_KMS_2012-R2_WIN10 channel in my output too, and it shows the proper Partial Product Key.
I added it through Server Manager's Tools > Volume Activation Tools.

However, in the VAMT GUI tool, it does not show the key nor will it let me add it.
I tried adding it in VAMT that comes with 2012 R2, then tried adding the VAMT tool from the Windows 10 ADK, but still the same error.

unable-to-verify.png
LesterClaytonCommented:
VAMT, like KMS requires a list of product ID's which it can activate.  There is probably an update you need to make it accept the Windows 10 Product ID's.  Unfortunately, I don't use VAMT, so I can't tell you which one to obtain.
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Windows Server 2012

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