Windows will reconfigure itself.
Windows server 2012 r2 standard evaluation activator.
As you can see the current edition is datacenter evaluation.
So open command prompt or windows powershell in elevated mode run as administrator and type dism online get currentediton as shown below.
Extend windows server 2012 r2 evaluation.
Following command will rearm your trial windows server 2012 r2.
Run command prompt with administrator privileges and run following command.
The microsoft evaluation center brings you full featured microsoft product evaluation software available for download or trial on microsoft azure.
The edition will change from windows server 2012 r2 standard evaluation to windows server 2012 r2 standard.
Then reboot your server.
Activate windows server 2012 evaluation to full version.
The very first step is to view the current edition.
If you license is genuine and your server is connected to the internet you should be able to validate your license.
Kms keys for windows 8 1 and windows server 2012 r2.
First you must convert to a full retail version.
You can rearm windows server 2012 r2 evaluation up to 5 times.
After the update and the new key installation your kms server will support client kms activation for all windows versions from vista up to win 8 1 2012 r2.
The list of kms keys which should be used for window server 2012 r2 and windows 8 on kms server.