Windows Server 2012 R2 Standard Build 9600 Product Key Activation Guide
Convert to Standard: DISM /online /Set-Edition:ServerStandard /ProductKey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /AcceptEula
If the server lacks internet access or online activation fails: Open Command Prompt (Admin) and type: Select your country and follow the prompts to call the Microsoft Licensing Activation Center Provide the Installation ID shown on your screen and enter the provided Confirmation ID to activate. Server Fault Common Troubleshooting Tips Time & Date
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.
