The upgrade procedure described in this chapter assumes the
following:
Your existing InterChange Server (ICS) installation must be one
of the following versions:
WebSphere InterChange Server version 4.1.1
WebSphere InterChange Server version 4.2.0
WebSphere InterChange Server version 4.2.1
WebSphere InterChange Server version 4.2.2
Important:
If you have an earlier version of ICS (before version 4.1.1),
you must consult IBM technical support for assistance. Do
not attempt to follow the upgrade process described in this
chapter.
You will perform the upgrade to the current version of InterChange Server
in a development environment, then move the upgrades to your production
environment after system tests have been completed.
You have all appropriate software available.
Note:
When upgrading to ICS 4.3, you must upgrade your existing operating
system and related software to the version and level that ICS 4.3
supports.