I'm not sure Home Edition is up to that. Start by totally ignoring the Homegroup facility - that has absolutely no chance. In more conventional networking, you may need to eliminate the need for every system in the Domain to have only password protected accounts. This you do in Control Panel>Network and Sharing Centre, then restart the system and see if it will join the domain.
I have a feeling Home can only join Workgroups but I'd like to be proved wrong.