Product Key Windows Server 2008 R2 Standard | Fix

This write-up explains common causes of product key problems in Windows Server 2008 R2 Standard, how to diagnose them, and step-by-step remediation options. It assumes administrative access on the affected server.

If you encounter activation issues, such as a rejected key or a "blacklisted" error, common administrative "fixes" involve these built-in management tools: DISM Windows Server 2008 R2 Change Edition product key windows server 2008 r2 standard fix

slmgr.vbs /cpky