Knowledgebase

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To change your Windows Server 2012 license key open power shell in privileged mode and enter the following commands:

1. To remove your existing (default) installation key:   slmgr -upk

2. To add a new key slmgr -ipk XXXX-XXXX-XXXX-XXXX

If you’ve entered a valid key, your Windows Server will be activated automatically in a few seconds, no additional steps are required. You will no longer see a warning message on your desktop and in Control Panel / Actions.