Microsoft Genuine Advantage Diagnostic Tool Validation Unsupported Os Site

: Microsoft officially retired many components of the Windows Genuine Advantage (WGA) system years ago in favor of integrated digital licensing.

If you need to diagnose activation issues on a modern OS, stop using the MGA Diagnostic Tool and try these instead: : Microsoft officially retired many components of the

: The tool (MGADiag.exe) is generally for Windows 7 or older. Running it on Windows 8, 10, or 11 will trigger the "unsupported OS" message. : Microsoft officially retired many components of the

:For Windows 8 and newer, use the native command-line tool. Open Command Prompt as Administrator and run: Licensingdiag.exe -report %userprofile%\desktop\report.txt This generates a modern diagnostic report directly on your desktop. : Microsoft officially retired many components of the