To activate Windows Server 2012 R2 Standard (Build 9600), you must use a valid 25-character product key. Activation can be performed through the graphical user interface (GUI) or the command line, depending on your environment. 1. Standard Activation Methods
To activate Windows Server 2012 R2 Standard Build 9600, follow these steps: To activate Windows Server 2012 R2 Standard (Build
Conclusion
This method works for Build 9600 even after the end-of-support date because Microsoft’s telephone activation lines remain operational for legacy products. To activate Windows Server 2012 R2 Standard (Build