Sun Java System Communications Express 6 2005Q4 Administration Guide

Can PAB entries from an existing Messaging Server, for example, Messaging Server 5.2 or Messaging Server 6.0, be migrated to Communications Express?

Yes. Refer to Chapter 7, Migrating PAB Data to Addressbook Server for migration details.

Can any of the application in Communications Express be disabled?

You can disable Calendar and Mail application, but cannot disable the Address book Application.