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OCR: Pourngl Journal queues are automatically created by MSMQ when a new maching is put on the enterprise, or when an application queue is created: Messages are only placed in the journal queue by request. This is done using a message's Journal property Report Report queues are used for tracking messages. This is useful when messages are forwarded to multiple aucuns before being processed Messages must request this service using the Trace properly. Acad Letier Dead letter queues ore the "trash canst of MSMQ. Any messages that can't be delivered can be found mithe approphate dead letter queue 'There are two types of dead letter queues ., One is for foiled transactional messages, and the other is for foiled non-transactional messages. This behavior is auto- matic for all'transactional messages and must be requested by non-transactional messages. Figure 7: The three types of system queues,