[Samba] samba 4 for new authentication domain?

[Andreas Moroder]

> What I found works exceedingly well (although not flawlessly) is a Windows AD Domain Controller, and then Samba servers for file and print sharing.
> 
Hello Kevin,

but what if you already have >1000 users in a samba domain. Is there a 
way to migrate them to a MS AD without loosing the uidNumber, Samba SID 
and such things ? We don't like the idea to set new users an groups for 
every directory we have on ous samba servers

Bye
Andreas