Sun Java System Messaging Server 6 2005Q4 Administration Guide

Before You Begin

Prior to performing the upgrade, ensure the following:

This version of Messaging Server is installed and configured on either the same or a different system than the Messaging Server 5.2 system.

Note –

Unlike previous versions of Messaging Server, you cannot upgrade your existing Messaging Server without first installing and configuring the current version of Messaging Server.

Also, you cannot use this upgrade program with Messaging Server versions older than version 5.2. Therefore, you must first migrate or upgrade to Messaging Server 5.2, install Messaging Server 6 2005Q4 and then run this upgrade program. See the iPlanet Messaging Server 5.2 Migration Guide for more information on migrating to Messaging Server 5.2.

Existing Messaging Server 5.2 installations are configured with MTA Direct LDAP Lookup, not with imsimta dirsync.
In addition, Messaging Server 6 2005Q4 does not support multiple instances. If you have multiple instances of Messaging Server version 5.2, you may only choose one instance to upgrade to Messaging Server 6 2005Q4. Furthermore, running the upgrade utility more than once in an attempt to migrate multiple instances will overwrite your configuration.