If my understanding of the Samba/Winbind groupmap documentation is correct, I should be able to map the local group "testgrp" to the domain group "Arbitrary Group" by using the net groupmap command: net groupmap add ntgroup="Arbitrary Group" unixgroup=testgrp type=d Running net groupmap list confirms the mapping is created: Jan 06, 2020 · Samba Active Directory Domain Controller for Docker. A well documented, tried and tested Samba Active Directory Domain Controller that works with the standard Windows management tools; built from scratch using internal DNS and kerberos and not based on existing containers. Description of problem: Since updating to the latest Samba (from RHEL 6.6 to 6.7) at time of writing, Samba shares can no longer be accessed from a Windows guest using active directory credentials if "winbind use default domain = true" is set along with the share specific settings "force user = admin", and "force group = admin". How To Integrate Samba (File Sharing) Using Active Directory For Authentication. This tutorial explains how to install a Gentoo samba server and how to share folders with ActiveDirectory permissions. Preparation . Active Directory should already be implemented and working. If you need help, there's plenty of help on the net.