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We have a exchange servers 2016 and 2019 in a coexistence environment. All our mailboxes are on O365. We use the On-prem Exchange as SMTP server. Now we are facing some issues with 2016. Hence we are planning to decommission the Exchange server 2016 version 15.1.
Can some help me with the step by step document to smoothly decommission our old exchange server.
Thank you
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.
The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.
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Hello, @Nasir Mohammad
It's been a long time since I've heard from you, have you solved your problem yet? Did my previous reply help you？ If it was useful, you can mark it as an answer. Thank you for your understanding and support.
hi,@Nasir Mohammad
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Hello, @Nasir Mohammad
It's been a long time since I've heard from you, have you solved your problem yet? Did my previous reply help you？ If it was useful, you can mark it as an answer. Thank you for your understanding and support.
Hi，@Nasir Mohammad
Thanks for posting your question in the Microsoft Q&A forum.
For information on how to retire some Exchange servers in your organization, you can refer to the following steps:
1. Check that the MX records and Autodiscover DNS records point to servers or Exchange Online that are still in use.
2. Update the virtual directory.
3. Move all mailboxes on the deactivated server, including the arbitration mailbox, to the server on hold.
4. Delete all databases that are hosted in the server.
5. Check to see if any Receive connectors are still in use.
6. Check if there are Send connectors from this server.
Before you uninstall this Exchange server, you can shut down and observe for a while to see if there is a problem. If there are no problems, you can uninstall this Exchange server from Control Panel.
The Microsoft does not provide any documentation on how to delete Exchange 2016 in a coexistence environment, but it does provide documentation on how to delete Exchange 2010, which is worth referring to. Modify or Remove Exchange 2010: Exchange 2010 Help | Microsoft Learn
If my answer is helpful to you, please mark it as the answer so that other users can refer to it. Thank you for your support and understanding.
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Hi Bruce, Thank you for your reply. We haven't started the decommision yet. We are planning soon. I will check and update you . Thank you for your response
I am getting an error while uninstalling CU 22 from exchange server , My goal is to decommission the server. Any Help will be highly appreciated
I have a question, while decommissioning exchange 2016, it is not going to impact my other server which is exchange 2019 which is in co-existence environment?
Thank you guys for your responses. I will try the above steps and update
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To decommission the Exchange Server 2016, you can go with the following steps-
1. Before decommissioning, verify that all the roles had been transferred and do create a full backup of the Exchange Server 2016
2. Now, open the Exchange Management Shell on 2016 server and run the following command- Remove-Server –Identity “Exchange2016ServerName”
3. Go to Control Panel and then select Programs and Features
4. Select Microsoft Exchange Server 2016 and click uninstall
5. After uninstallation, check all services are functioning correctlyYou can also refer following links, Link 1 Link 2
Please Note: Since the web sites are not hosted by Microsoft, the links may change without notice. Microsoft does not guarantee the accuracy of this information.
Hi Amit, Thank you for your reply. we haven't started the decomm activity. I will check and update you thank you for your response.