You can get the Java ES software in the following ways:
As a web download
You can download Java ES software in several formats from the Sun Download Center at http://www.sun.com/download. These formats are available:
Compressed archive of all installation files for a single operating system
Compressed archive of all installation files for a suite
On a DVD
You can get a DVD media kit containing all supported architectures at http://www.sun.com/software/javaenterprisesystem/index.html or by contacting your Sun sales representative. The DVD contains the installation files for the operating systems, the Java ES installer program, and all the component packages.
Preloaded or preinstalled on your system
If you ordered a Sun hardware system with preloaded or preinstalled software, Java ES software might already be loaded on your system. If the following directory exists on your system, Java ES software is preinstalled:
where architecture is the system’s hardware architecture; for example, solaris-sparc.
Sun Cluster software can only be preloaded, not preinstalled.
From a file server on your network
Depending on the operations procedures at your company, the Java ES installation files might be available on your internal network. Contact your system operations or administration staff to find out if this is the case.
If you are responsible for making the Java ES installation files available, see Making an Installation Image on Your Network.
For a listing of the distribution bundles for this release, refer to Chapter 1, Java ES Distribution Bundles, in Sun Java Enterprise System 5 Installation Reference for UNIX.