Run command prompt with administrator privileges and run following command.
Windows server 2012 r2 standard evaluation activation key.
The microsoft evaluation center brings you full featured microsoft product evaluation software available for download or trial on microsoft azure.
If you are converting a computer from a kms host mak or retail edition of windows to a kms client install the applicable setup key gvlk from the following tables.
Following command will rearm your trial windows server 2012 r2.
If you license is genuine and your server is connected to the internet you should be able to validate your license.
Extend windows server 2012 r2 evaluation.
To use the keys listed here which are gvlks you must first have a kms host running in your deployment.
You can rearm windows server 2012 r2 evaluation up to 5 times.
If you haven t already configured a kms host see deploy kms activation for steps to set one up.
Press y to reboot.
As you can see below it this command will upgrade the edition of server to full version.
It s a little more work than simply typing in a new product key.
Windows will reconfigure itself.
Then reboot your server.
First you must convert to a full retail version.
If you install windows server 2012 evaluation edition and later purchase a license the activation process is a little more confusing than you would immediately think.
In this way you can activate windows server evaluation edition to full retail edition.
You can now view the new server edition by going into server manager.