Configuring a dead-letter queue using the Amazon SQS console
A dead-letter queue is a queue which source queues can target for messages that are not processed successfully. For more information, see Amazon SQS dead-letter queues.
Amazon SQS does not create the dead-letter queue automatically. You must first create the queue before using it as a dead-letter queue. For instructions on creating a queue to use as a dead letter queue, see Create a queue (console)
The dead-letter queue of a FIFO queue must also be a FIFO queue. Similarly, the dead-letter queue of a standard queue must also be a standard queue.
When you create or edit a queue, you can configure a dead-letter queue.
To configure a dead-letter queue for an existing queue (console)
Open the Amazon SQS console at https://console.amazonaws.cn/sqs/
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In the navigation pane, choose Queues.
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Choose a queue and choose Edit.
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Scroll to the Dead-letter queue section and choose Enabled.
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Choose the Amazon Resource Name (ARN) of an existing Dead Letter Queue that you want to associate with this source queue.
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To configure the number of times that a message can be received before being sent to a dead-letter queue, set Maximum receives to a value between 1 and 1,000.
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When you finish configuring the dead-letter queue, choose Save.
After you save the queue, the console displays the Details page for your queue. On the Details page, the Dead-letter queue tab displays the Maximum Receives and Dead Letter Queue ARN in the Dead-letter queue.