To perform a silent uninstallation of all WebSphere Business Integration Server Express or Express Plus components, do the following:
java -jar uninstall.jar -silent
To silently uninstall just the Console, issue the following command:
installdir\_uninst\uninstaller.exe -silent
where installdir is the directory where the Console is installed. The default directory is: C:\IBM\WebSphereBusinessIntegrationConsole