How to activate Windows Server 2012

Issue

Windows Server 2012 will not activate when you try to use the UI to activate a license key.

Solution

Open a command prompt and run the following command

[csharp]
slmgr.vbs /ipk <license key>
[/csharp]
Where <license key> is your server license.

Press enter and wait about 30 seconds and you should receive a message saying “Installed product key successfully

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