How do I rename a Windows computer from command line?
Solution 1:
You can use the Win32_ComputerSystem WMI class and invoke the rename method. You can implement the WMI call in a vbscript, or powershell or however you choose to run the process.
Solution 2:
You can use NETDOM
NETDOM RENAMECOMPUTER %COMPUTERNAME% /NewName:%NEWNAME%
See this article