You should have an awareness of how the DHCP database can be backed up on one machine and restored to another in Windows 2000. The DHCP database is stored on the DHCP server in the %systemroot%\system32\dhcp folder. Backing up DHCP involves first stopping the DHCP service, and then copying the DHCP directory to a temporary location. However, it also involves backing up the following key to a text file:
To do the restore, simply stop the DHCP service on the target system, replace the current DHCP directory with the one you originally backed up, and restore the registry hive file that you backed up initially.