shifting samba
 

I am running my PDC on samba server (freebsd 5.2) but now I want to shift it to REDHAT ES server I have created the users copied their files and created machine accounts in the new server. But now I want to shift the existing users computers on the new domain, is their a way that without configuring individual clients I can shift them to new server? i.e; I don't want to go on individual machine and make them a member of new domain is there a way possible that on the server I can make changes and the clients become the member of my new domain?

Regards,
Imran Imtiaz