It's time to configure Exchange Server high availability because we did install a second Exchange…
How to remove Exchange Server from the domain? You did install a new Exchange Server in the organization. Now that everything is working fine, you want to remove the old Exchange Server. This article will teach you how to remove Exchange Server 2013/2016/2019 from the domain.
Table of contents
Before you start
Make sure that there are no mailbox databases on the Exchange Server. If you have mailbox databases present, it will not let you uninstall Exchange Server from the domain. Move all the mailboxes to other mailbox databases and remove the mailbox database associated with the Exchange Server you want to remove.
Follow these articles before proceeding to the next step:
- Delete mailbox database
- Cannot delete mailbox database
- This mailbox database is associated with one or more move requests
Remove Exchange Server with wizard
Close all open programs on the Exchange Server. Go to Control Panel and click on Programs and Features. Select the Exchange Server in the programs list. Click on Uninstall.
Disable Antivirus/Windows Defender to speed up the Exchange uninstallation process.
In our example, we will remove Microsoft Exchange Server 2016 Cumulative Update 17.
The prerequisite analysis will start and check if the setup can continue with the removal. Click uninstall.
Remove Exchange Server
Click next to remove Exchange Server from the domain.
The first step is removing the mailbox service from the mailbox role.
Step 4 of 14 is in progress.
Step 9 of 14 is in progress, which is the removal of the languages.
Setup completed. Click Finish and reboot the Windows Server.
Did you get an error when removing the Exchange Server?
Verify removal Exchange Server
Check that Exchange Server is removed from Programs and Features.
You did successfully remove Exchange Server from the domain.
Don’t forget to remove other tools on the Exchange Server, for example, SCOM or the back-up agent. After that, remove the IP and DNS entries. As of last, remove the AD object in ADUC (Active Directory Users and Computers).
Keep reading: How to remove Exchange from Active Directory »
In this article, you learned how to remove Exchange Server from domain. Make sure that you remove the mailbox databases before proceeding with the Exchange Server uninstall wizard. Reboot the server when the Exchange Server removal is finished.
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