Hi, We are a bit concerned now as our main windows servers wanted to upgrade to 2016 functional level from 2008 R2 functionality. One-way trust working well on the samba AD (samba-dc-4.11.6), my query if they upgrade to 2016 functionality both the forest and domain, are we affected with it? In other words, we can't login the users in the main server via samba AD? As they plan to upgrade in a couple of days as we did not inform ahead of time for further testing, at least we can delay if not working. Hope somebody can insights or have experience with like this scenario. Kind regards Mario