How to Remove Old Domain Controllers from DNS
If your organization has retired an aging domain controller, it’s important to remove the server from the DNS namespace. This process removes the old server from the DNS database, and replaces it with a new server.
To remove the old domain controller from the DNS namespace, perform the following steps:
1. Shut down the domain controller.
2. Remove the server from the Active Directory Domain Services (AD DS) tree.
3. Delete the server’s DNS A record.
4. Reboot the server.
5. Reinstall AD DS.
6. Restore the server to the Active Directory Domain Services (AD DS) tree.
7. Reset the server’s DNS settings.
8. Start the domain controller.
9. Verify that the server is now visible in the DNS namespace.
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18. Congratulations! You have successfully removed the old domain controller from the DNS namespace.
5 Related Question Answers Found
If you have an older DNS server that is no longer meeting the needs of your network, you may want to consider removing it. There are a few different ways to go about this, but the most common approach is to use a DNS management tool. One of the most popular DNS management tools is DNS Manager from Microsoft.
There are a couple of ways to remove old DNS records from a domain controller. You can use the Dcpromo.exe tool or the Dnscmd.exe tool. Dcpromo.
DNS is a critical part of the infrastructure of a Windows network. When a Domain Controller is demoted, the DNS server that it was hosting is automatically taken down. If the domain is not configured to use a DNS server, or if the DNS server is down, clients may not be able to resolve domain names.
The answer to this question is a bit complicated. Disable DNS on a domain controller means that the domain controller will no longer respond to DNS requests. This can be a problem if you are using DNS for name resolution.
An elaborated article about DNS resolution:
Domain names are the addresses of websites and other resources on the Internet. They are composed of a series of characters, usually separated by dots, and are usually written in lowercase. When someone types a domain name into a web browser, the browser looks up the name in a DNS server.
