When installing Windows 2000 Server, it is configured to work as "Standalone Server".
Using "Windows 2000 Configure Your Server", you install Active Directory.
Unlike Windows NT4 server, where it is required to re-install the server software, you can
reconfigure a Windows 2000 Active Directory Server to become again a Stand-alone server
by un-installing Active Directory : "Windows 2000 Configure Your Server" shows the procedure:
Following this instructions ( Start-menu RUN, executing : "dcpromo" ) :
 | |
 | you may have to place the checkmark, if this system is the last/only domain controller. |
 | The system checks, whether you are entitled to make this downgrade by asking for the username and password, as defined in the Active Directory, |
 | Since you are deleting the Active Directory, the systems has to revert back to the security system of a Stand-alone server (which works like the security under Windows2000 Prof), you will need to define to be used for the Administrator. |
 | Your last chance to change your mind............ |
 | It really does take several minutes to un-install. While waiting, look at that animated icon: it is actually erasing the lines from the book... |
 | Done. You will need to restart the system. |