Reinstalling New Domain Contorller with windows server 2000

Can anyone let me know how can I install new windows 2000 server as a domain controller?
I take backup in Tap Drives so I too want to restore that whole data backup to the new domain controller.
Pls let me know what all I need to take backup from old running windows server 2000 domain controller so I will not need to create all users and security policy and other settings.
Thanks in advance.