Step 3: Migrate your WebSphere Application Server instances

After you have migrated your applications, you need to migrate your instance configurations. Chose a topic below for step-by-step instructions for migrating from your old version of WebSphere Application Server to a new or default Version 5 or Network Deployment instance.

Migrate from WebSphere Application Server Version 3.5.x Advanced or Standard Edition
This topic contains detailed information and step-by-step instructions for migrating a version 3.5.6 (or later) WebSphere instance to a version 5 WebSphere Application Server instance.

Migrate from WebSphere Application Server Version 4.0.x Advanced or Single Server
This topic contains detailed information and step-by-step instructions for migrating a Version 4.0.x (or later) WebSphere instance to a version 5 WebSphere Application Server instance.

Migrate from WebSphere Application Server - Express Version 5.0.x
This topic contains detailed information and step-by-step instructions for migrating a WebSphere Application Server - Express Version 5.0.2 (or later) instance to a WebSphere Application Server Version 5 instance.