Connection error - Connection not authorized check license conditions

This troubleshooting guide addresses the "Connection error: Connection not authorized; check license conditions" error in Smart-Vue client login. The error usually occurs due to mismatched server and client software versions. The article provides steps to verify the versions and lists allowed pairings for Smart-Vue 2.x versions. If versions don't match, uninstall the mismatched client and reinstall using the correct version CD.