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Define permissions for a WebSphere MQ link publish/subscribe broker to work with WebSphere MQ

There are several ways to ensure that a service integration bus has authority with a message broker (in a WebSphere MQ network) to send subscription requests.

Before starting, you must have created a broker profile, part of a publish/subscribe bridge on a WebSphere MQ link.

When we have created a broker profile you must ensure that the service integration bus has sufficient authority on the message broker instance to send subscription requests. We can do this either by:

To ensure authority, complete one of the following steps:

  1. Optional: Modify the message broker configuration by granting WebSphere MQ permissions for the user "SIBServer", which is the user name under which the publish/subscribe bridge control messages will be published.

  2. Optional: Modify the service integration bus by setting the OutboundUserID of the foreign bus that represents the WebSphere MQ network (which you defined as part of the WebSphere MQ link configuration). The OutboundUserID should be set to a user ID that already has the relevant WebSphere MQ permissions on the message broker installation image. By doing this we can be sure the publish/subscribe bridge control messages will arrive at the message broker in the WebSphere MQ network with the appropriate user ID set in them.


What to do next

We are now ready to define topic mappings on the publish/subscribe broker profile.