When you run the Java Enterprise System Installer, Access Manager 7 2005Q4 has two installation types (or modes):
Legacy (6.x) type supports Access Manager 6 features, including the Access Manager 6 Console and directory information tree (DIT).
Realm (7.x) type supports Access Manager 7 features, including the new Access Manager 7 Console.
If you are installing Access Manager with any of the following products, you must select Legacy (6.x) mode:
Sun Java System Portal Server
Sun Java System Communications Services servers, including Messaging Server, Calendar Server, Instant Messaging, or Delegated Administrator
For more information, see the Sun Java Enterprise System 2005Q4 Installation Guide for UNIX.