The topic SYSTEM.BASE.TOPIC is used to provide the base attribute settings for resolving topic attribute values when set to "As parent". The queue manager continues to operate correctly without this object, but you cannot change how unresolved topic attributes behave.
The topic SYSTEM.DEFAULT.TOPIC is used by the MQ Explorer as a template for creating new topics. The queue manager continues to operate correctly without this object, but the MQ Explorer sends you warning messages if you create a new topic.
The model queue used as a template for the managed destinations for durable subscriptions on this topic does not exist. Any durable subscriptions that are made on this topic, requesting a queue manager managed destination, fail.
The model queue used as a template for the managed destinations for non-durable subscriptions on this topic does not exist. Any non-durable subscriptions that are made on this topic, requesting a queue manager managed destination, fail.
The Model durable queue, when specified, must be a model queue. This model queue is used as a template for the managed destinations for durable subscriptions on this topic.
The Model non-durable queue, when specified, must be a model queue. This model queue is used as a template for the managed destinations for non-durable subscriptions on this topic
The Model non-durable queue should be a Temporary Dynamic model queue. Non-durable subscribers which use managed destinations continue to work, however queues that are no longer in use might not be removed correctly.
The Model durable queue must not be a Temporary Dynamic model queue. This model queue is used as a template for the managed destinations for durable subscriptions on this topic.