The Question is more or less, a "is it possible"-Question and if yes, some hints how to accomplish it would be nice.
My plan is as follows:
I want to setup Samba 4.5.1 on Centos/Debian as PDC. Also I want it to be clustered (=have a failover server). I have two completely same DELL Server. The users which are created there (LDAP users?) should be able to login on a NextloudServer and on other services like Anyconnect. Also we have a Windows2012R2 Server which has currently is own Domain. I want him to join the Samba Domain. So i don't have windows.local and unix.local - these Samba Users should also be able to login on the windows machine.
This would be very nice, also a fileserver should join the LDAP (?) users and I only have to care about one user profile. At the moment I have a user account for every server local on every single machine. So Nextcloud, Anyconnect, Fileserver & Windows-server are 4 seperate accounts with the same username/password. This is not the smartest and easiest way to manage users.
What I have done --> Installed Samba 4.5.1 from source on Virtual machine running Centos7. Created a test domain test.local and created User A with
samba-tool user create USERA . Read the man page of samba-tool ;-)
I hope this shouldn't be posted in UNIX & Linux Forum. Any hints, tips and "How To"-links are welcome. Your opinion also.
And I don't want to have a Windows Server as PDC, because I want to concentrate and focus my knowledge on Linux enviroment and not on "Windows GUI clicking" (which is also nice but not my plan ;-) )