Migrating from WebSphere MQ Integrator Broker Version 2.1 to WebSphere Message Broker Version 6.0

Before you start
The topics in this section describe three different migration scenarios that are available to you when migrating from WebSphere MQ Integrator Broker Version 2.1 to WebSphere Message Broker Version 6.0. The following table lists each scenario, summarizes what is involved in that scenario, and tells you where to find the detailed, step-by-step instructions:
Scenario Summary Detailed instructions
Scenario 1
All of your Version 2.1 components are on one computer. After migration to Version 6.0, you no longer need to keep Version 2.1 installed. In this scenario, you stop and uninstall all Version 2.1 components, install Version 6.0, then migrate and start all Version 6.0 components. Follow the instructions in Migrating from Version 2.1 to Version 6.0: Version 6.0 replacing Version 2.1
Scenario 2
All of your Version 2.1 components are on one computer. After migration to Version 6.0, you want to keep Version 2.1 installed temporarily. In this scenario, you install Version 6.0, then migrate and start all Version 6.0 components. You do not need to stop and uninstall Version 2.1 at this point, but you can do so at any time after migration. Follow the instructions in Migrating from Version 2.1 to Version 6.0: Version 6.0 coexisting temporarily with Version 2.1
Scenario 3
All of your Version 2.1 components are on different computers. You want to replace Version 2.1 components with Version 6.0 components. In this scenario, you uninstall Version 2.1, then migrate components individually and in a specific order. Follow the instructions in Migrating from Version 2.1 to Version 6.0: migrating components on different computers
Related concepts
Coexistence with previous versions and other products
Related tasks
Planning for migration from Version 2.1
Backing up Version 2.1 resources
Migrating from Version 2.1 products
Migrating from Version 2.1 to Version 6.0: Version 6.0 replacing Version 2.1
Migrating from Version 2.1 to Version 6.0: Version 6.0 coexisting temporarily with Version 2.1
Migrating from Version 2.1 to Version 6.0: migrating components on different computers
Migrating a message flow
Migrating a message set