Messages can be manually re-queued to be sent by the HL7 Auto-Sender, as long as the associated document has not been purged.
If a message was previously sent unsuccessfully, you may not need to re-queue it manually. If the Retry failed sends after setting is configured for the export destination, the HL7 Auto-Sender waits for a configured period, and then it attempts to resend messages that failed to reach the destination.
To re-queue a message: