After you have successfully installed your software prerequisites and WebSphere Business Integration Server Express or Express Plus, proceed to Starting the WebSphere Business Integration Server Express or Express Plus system for the first time.
By first following the instructions in Starting the WebSphere Business Integration Server Express or Express Plus system for the first time and then Verifying the installation, even if you plan to install an Adapter or Collaboration Capacity Pack for a WebSphere Business Integration Server Express Plus installation, you will verify that your base system is installed and operating properly before you install additional components.