Service integration bus security uses role-based authorization. When messaging security is enabled, users and groups require authority to send and receive messages from the topic space root in a publish/subscribe topic hierarchy. By adding users and groups to topic space root roles, you control access to the root topic in a selected topic space.
You can add users and groups to the sender and receiver roles for the topic space root. The topic space root can also inherit access in the sender and receiver roles from the topic space, providing the topic space is configured to inherit the default destination roles. For more information about topic inheritance, see Topic security.
By default, a topic space does not contain a root topic. In this task you use an administrative console wizard to add a root topic to an existing topic space, retrieve the users and groups from the user repository that you want to assign to roles on the new root topic, and add them to the root topic.
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