After installing MAK Key on Windows 2012 R2 server , it's showing Unlicensed

Suvrajyoti Bhattacharya 25 Reputation points

Installed new MAK for Windows 2012 R2 using slmgr /ipk <MAK Key> followed by slmgr /ato.

But it's still showing unlicensed when run - slmgr /dlv .

What could be the reason for that ? Any suggestion would be appriciated.

Windows Server 2012
Windows Server 2012
A Microsoft server operating system that supports enterprise-level management, data storage, applications, and communications.
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Accepted answer
  1. Hania Lian 11,036 Reputation points Microsoft Vendor

    Hello Suvrajyoti Bhattacharya

    There could be a few reasons:

    1. There is a limit to the number of activations of a MAK Key. Check if the MAK key is valid and has not been used on too many devices. You can verify this by login Microsoft Volume Licensing Service Center (VLSC) or contacting your reseller.
    2. Ensure that the server is connected to the internet. If the server is behind a firewall, make sure that the necessary ports are open.
    3. If the above steps do not work, try resetting the licensing status of the server by running the following commands:

       slmgr /upk (to uninstall the current product key)
       slmgr /cpky (to clear the product key from the registry)
       slmgr /rearm (to reset the licensing status)
       slmgr /ipk <MAK Key> (to install the new MAK key)
       slmgr /ato (to activate the server)

    Best Regards,

    Hania Lian

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