If you select the Configure Later installation type, little is required during installation.
The following components cannot be configured by the Java ES installer and, therefore, must be configured after installation: Directory Proxy Server, Java DB, Monitoring Console, Service Registry, and Sun Cluster components.
After installation, refer to Chapter 6, Completing Postinstallation Configuration, in Sun Java Enterprise System 5 Update 1 Installation Guide for UNIX for guidance on configuring these product components.