Windows 10 Enterprise LTSC 2019 MAK Activation Issue

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MichaelM_817

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Hi All,


I'm having trouble licensing Windows 10 Enterprise LTSC 2019 with an MAK.


MAK has been validated by Microsoft, it is definitely correct, and in VAMT it shows as EnterpriseS - Win 10 RTM EnterpriseS Volume:MAK

The OS was downloaded from VSLC, however it was VSLC for a different organisation to who gave me the license keys (The company I work for provided the ISO, the company hiring us provided the license key). In VAMT it shows as Windows(R) EnterpriseS edition. The Product Key Type shows as GVLK (which I think is the source of the issue).


If I try to apply the product key from VAMT, I get the following error: "The Software Licensing Service reported that the product key is invalid."


If I open the Activation GUI in Windows, I see the error "We can't activate Windows on this device as we can't connect to your organisation's activation server... Error code: 0xC00F074"


If I try to change the product key through the GUI, I get the following: " The product key you entered didn't work... (0x80041014)"


slmgr /ipk gives "Error: 0xC004E016 On a computer running Microsoft Windows non-core edition, run slui.exe 0x2a 0xC004E016 to display the error text"


Running slui.exe 0x2a 0xC004E016 shows an error dialogue that says "The Software Licensing Service reported that the product key is invalid."


I have tried slmgr /upk, slmgr /ckms, slmgr /skms 127.0.0.1 and a variety of other combinations I have found online with no luck.


slmgr /dli shows:

Windows (R) Operating System, VOLUME_KMSCLIENT channel

License Status: Notification

Notification Reason: 0xC004F056



Can anyone help? I have already installed and configured ~20 odd machines with this iso and really don't want to have to reconfigure them.


Thanks in advance.

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