Windows Server 2012 R2 Standard Build 9600 Product Key Activation __link__ -
slmgr.vbs /skms kms.yourdomain.com:1688 slmgr.vbs /ato
Before entering a product key, you must determine which channel your license came from. Using the wrong key type for your installation media will result in activation failure.
Used by larger organizations. KMS keys require a local server to manage activations, while MAK keys act similarly to retail keys but for multiple seats.
Some common issues that may arise during the activation process include:
You can activate your server through the following standard interfaces: