Migrating a DHCP databse for Windows Server 2003 2008 or 2012 including SBS

Migrating a DHCP database can be done with three steps.
1.  On the old DHCP server run the command netsh dhcp server export C:dhcp.txt all
2.  Copy that file to the new DHCP server.
3.  Run this command to import it netsh dhcp server import C:dhcp.txt all