For a silent uninstall:
Can you have version 12.0.0.0 alongside version 15.0 (Report Viewer 2022)? – different versions have different assembly strong names and can coexist in the GAC. However, your application’s binding redirects must explicitly target the correct one. In practice, side-by-side installations can cause confusion for legacy apps. For stability, it’s often safer to use the exact version the application was compiled against. microsoft report viewer version 12.0.0.0 download