DavidontheCloud.com – David Papkin Technical Resources

1: Open CMD prompt.

Open a command prompt. (Windows key+r (run) + cmd)
2. Adding an alternate computer name.
SYNTAX : netdom computername <currentDC FQDN> /add:<newDCName FQDN>
In the command prompt, type (sans quotes) “netdom computername wrongname.domain.local /add:server.domain.local”
Ex: netdom computername lon-dc1-clooo1.adatum.com /add:lon-dc3.adatum.com
This should return with “Added (NAME) as an alternate name for the computer. The command completed successfully.
3: Make the new name the primary.
SYNTAX: netdom computername <currentDC FQDN> /makeprimary:<newDCName FQDN>

Ex: netdom computername lon-dc1-clooo1.adatum.com /makeprimary:lon-dc3.adatum.com
IMPORTANT: This command will return successful, and warn you that you need to reboot immediately, as it may not authenticate logons (very important if only DC in forest)
4: Reboot the server.shutdown /r /t 0” in the cmd.
5: Check new server name.Go to system properties and confirm new computer name.
6: Remove old hostname.SYNTAX: netdom computername <newDCName FQDN> /remove:<oldDCName FQDN>
Ex: netdom computername lon-dc3.adatum.com  /remove:lon-dc1-clooo1.adatum.com
Command should return successfully.
Step 7: Verify functionality.in cmd, prompt run a “dcdiag” to make sure everything is OK.
Step 8: Clean up.If you use logon scripts, remember to update the UNC paths with the new server name.Change default location for domain computers.

Change default location for domain computers.

Change default location for joined computers in domain