On Windows platforms, you can define user IDs up to 12 characters long. On UNIX platforms and on z/OS you are restricted to eight characters. If you have a mixed environment, ensure that your user IDs are not more than eight characters long.
Perform this task by considering the following steps:
Ensure that the user ID with which you log on:
You cannot use the Administrator ID itself.
If you log on with a user ID that is more than eight characters long, you might have problems when you create databases.
If you did not install WebSphere Business Integration Message Broker on a domain controller, and you installed on your workstation before creating the Domain mqbrkrs global group, ensure that you add the global group to the mqbrkrs local group manually.
When you are planning the administration of your broker configuration, consider defining user IDs for the following roles:
Security control of WebSphere Business Integration Message Broker components, resources, and tasks depends on the definition of users and groups of users (principals) to the security subsystem of the operating system. WebSphere Business Integration Message Broker always creates a group mqbrkrs on the system on which it is installed.
Users must also have the appropriate authority to WebSphere MQ resources (queues and queue managers) and to the databases being used by the broker. Users on UNIX need appropriate authority to the WebSphere MQ resources on UNIX and to those on any remote queue managers (for example, the Configuration Manager on Windows). The Security requirements for UNIX platforms table provides a summary of authorizations in the UNIX environment.
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