You can migrate the message flows that you have created in WebSphere MQ Event Broker Version 2.1 and use them in WebSphere Business Integration Event Broker Version 5.0.
You might want to change the message flows that you migrate to take advantage of the new nodes and features that are available in Version 5.0.
You can migrate more than one message flow at one time if you want them to be defined in the same message flow project. You must migrate subflows with the message flows in which they are included to ensure consistent references.
If you have defined more than one message flow with the same name, or the message flow has been exported into more than one export file, the migration task overwrites any existing message flow with the next flow that it finds of the same name without warning. Therefore be careful to avoid conflicts, and to ensure that the most recent version of a multiply-defined message flow is the last one to be migrated.
If you have multiple versions of the same message flow, which you use as a subflow in other flows in the same migration directory, the results of the import are unpredictable.
To migrate a message flow: