All Java ES components on a computer system and in a computing environment should be upgraded to Release 5.
When upgrading Directory Proxy Server dependencies, you should do so in the order below , before you upgrade Directory Proxy Server. Upgrade of shared components is normally achieved automatically by the Java ES installer.
Shared Components. Release 5 installer automatically installs all required shared components in the parallel path.
Directory Server (optional). Instructions for upgrading Directory Server to Release 5 are provided in Chapter 2, Directory Server. However, Release 5 Directory Proxy Server is supported by Release 4 Directory Server.