No. They are legally obligated to maintain activation servers for all validly licensed products, even after end-of-life. However, telephone activation may become slower.
Yes, but only for edition changes, not activation. The GVLK key is: D2N9P-3P6X9-2R39C-7RTCD-MDVJX . Using this key will NOT activate your server; it will just convert it to a KMS client. Conclusion: Activate Smart, Stay Compliant Activating Windows Server 2012 R2 Standard Build 9600 is a straightforward process if you have a legitimate product key. Use the GUI for simplicity, slmgr.vbs for control, and phone activation for air-gapped networks. Always avoid shady key generators—they will compromise your server. even after end-of-life. However
No. Keys are edition-specific. A Server 2012 key (Build 9200) will not activate R2 (Build 9600). telephone activation may become slower. Yes
