The OES Migration Tool has a plug-in architecture and is made up of Linux command line utilities with a GUI wrapper. You can migrate DNS/DHCP to an OES server through either the GUI Migration Tool or through the command line utilities.
To get started with migration, see Planning for Migration
in the OES 2015 SP1: Migration Tool Administration Guide.
For more information on migrating DHCP, see Migrating DHCP to OES 2015 SP1
in the OES 2015 SP1: Migration Tool Administration Guide.
For more information on migrating DNS, see Migrating DNS to OES 2015 SP1
in the OES 2015 SP1: Migration Tool Administration Guide.