[Samba] Clarification on Samba AD functional levels

[contactdarin at posteo.net]

Hello all,

Does Samba properly support 2012_R2 domains? If so, what is the earliest 
version of Samba AD that supports it? I see that the most recent 
versions support ad dc functional level = 2012_R2 in smb.conf but I am 
unsure if I can safely run 2012_R2 functional level on older versions of 
Samba.


A little background:

In my test environment I setup a Samba 4.20 AD Domain Controller with 
functional level 2012_R2. From there I joined a Windows Server 2022 to 
the domain and I forced the activation of the time and sysvol with help 
from this guide: 
https://samba.tranquil.it/doc/en/samba_advanced_methods/samba_add_windows_active_directory.html

As far as I can tell it is working correctly correctly. However, I am 
curious if I can get something similar to this working on something more 
stable than Fedora server.


Thank you for your time,

Darin