Export the DHCP database from a server that is running Microsoft Windows Server 2003
To move a DHCP database and configuration from a server that is running Windows Server 2003 to another server that is running Windows Server 2003:
1. Log on to the source DHCP server by using an account that is a member of the local Administrators group.
2. Click Start, click Run, type cmd in the Open box, and then click OK.
3. Type netsh dhcp server export C:\dhcp.txt all, and then press ENTER.
I put the follwoing
At the command prompt, type netsh dhcp server import c:\dhcpdatabase.txt all, and then press ENTER, where c:\dhcpdatabase.txt is the full path and file name of the database file that you copied to the server.