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Fixing Exchange on-Premises Email Stuck in Transport Queues

How to Resolve Email Stuck in Exchange On-premises Transport Queues
As a cloud architect, it is important to understand the basics of Microsoft Exchange, particularly when troubleshooting email stuck in transport queues. Exchange is a complex system and when emails get stuck in the transport queues, it can be a complex matter to resolve.

In this blog post, we will explain the potential causes of emails being stuck in transport queues, and provide a step-by-step guide on how to resolve these issues. We will also provide some useful scripts that can be used to troubleshoot and resolve email stuck in transport queues.

What Causes Emails to be Stuck in Exchange On-premises Transport Queues?
There are a number of potential causes of emails being stuck in transport queues. These include:

* A misconfigured connector or routing group connector
* A slow or overloaded server
* A misconfigured DNS record
* A network issue

How to Resolve Emails Stuck in Exchange On-premises Transport Queues
The first step in resolving emails stuck in Exchange on-premises transport queues is to identify the source of the issue. This can be done by using the Exchange Queue Viewer, which will display the contents of the queues and any errors associated with them. Once the source of the issue has been identified, the following steps can be taken to resolve it:

* Check the configuration of the connectors or routing groups in question. Ensure that they are configured correctly and that the relevant DNS records are correct.
* Check the server to ensure that it is not overloaded or slow performing due to an insufficient amount of resources.
* Check the network to ensure that there are no issues that are causing the emails to be stuck in the transport queues.

How to Use Scripts to Troubleshoot and Resolve Email Stuck in Exchange On-premises Transport Queues
Once the source of the issue has been identified, it is possible to use scripts to troubleshoot and resolve emails stuck in Exchange on-premises transport queues. The following scripts can be used to help identify and resolve the issue:

* Get-MailboxTransportQueues.ps1 [https://github.com/Microsoft/ExchangeOnline-Management/blob/master/Scripts/Get-MailboxTransportQueues.ps1] – This script is used to retrieve the contents of the Exchange transport queues.
* Get-MailboxTransportQueue.ps1 [https://github.com/Microsoft/ExchangeOnline-Management/blob/master/Scripts/Get-MailboxTransportQueue.ps1] – This script is used to retrieve the contents of a specific Exchange transport queue.
* Remove-MailboxTransportQueue.ps1 [https://github.com/Microsoft/ExchangeOnline-Management/blob/master/Scripts/Remove-MailboxTransportQueue.ps1] – This script is used to remove messages from a specific Exchange transport queue.

These scripts can be used to help identify the source of the issue, as well as to troubleshoot and resolve emails stuck in Exchange on-premises transport queues. Additionally, the Microsoft Exchange Online Management PowerShell module can be used to further manage, troubleshoot, and resolve issues with Exchange On-premises transport queues.

Conclusion
In conclusion, it is important to understand the basics of Microsoft Exchange when troubleshooting emails stuck in transport queues. By understanding the potential causes of emails being stuck in transport queues, as well as how to use scripts to troubleshoot and resolve them, cloud architects can successfully resolve these issues and ensure that emails are delivered as expected.
References:
Email Stuck in Exchange On-premises Transport Queues

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