how can i rename a domain controller in windows server 2003?
The full instructions are here but the gist is that run this in CMD
Though I highly recommend you install from scratch.
Here's the answer.
Yes you can do it by netdom tool. It is available by default in Windows Server 2008 and later version but it is not available by default in Windows Server 2003, Netdom.exe is part of the Windows Server 2003 Support Tools.
You can download them by the following link: http://www.microsoft.com/en-us/download/details.aspx?id=15326
Note: You need to restart the server after you install the Support Tools.
Then you can do the following steps 1. Run the command: netdom computername /add: 2. Run the command: netdom computername /makeprimary: 3. Restart the computer. 4. Run the command: netdom computername /remove:
You can refer this article for clear information http://www.morgantechspace.com/2013/08/how-to-rename-domain-controller-name.html