Samba Domain Functional Level, In the end the solution was something completely different, but anyhow: Here’s what I did to raise the domain level (and as it turns out the function and forest level) of my Samba domain Samba is an Open Source / Free Software suite that has, since 1992, provided file and print services to all manner of SMB/CIFS clients, including the numerous versions of Microsoft Windows operating systems. Adjusting Functionality Levels If you need to adjust your domain and forest functionality levels, execute the following commands in the PowerShell (run as administrator) of the Active Directory server. I have 10 domain controllers all running the latest patch of samba 4. Currently Samba does not support to raise the functional level on the server side higher than 2008 R2. Aug 11, 2013 · What is the highest AD Forest functional level I can use and still have SAMBA 4 function as a domain controller. Please check your Samba version! This article is written for Samba 4. To archive the same goal functional level can be increased on UCS, too. To raise the domain functional level of an existing domain, after updating the smb. Samba operates at the forest functional level of Windows Server 2008 R2 which is more than sufficient to manage sophisticated enterprises that use Windows 10/11 with strict compliance requirements (including NIST 800-171. 10 all with identical functional levels. 24. ) Samba is an Open Source / Free Software suite that has, since 1992, provided file and print services to all manner of SMB/CIFS clients, including the numerous versions of Microsoft Windows operating systems. 0 (released in 2012,) Samba is able to serve as an Active Directory (AD) domain controller (DC). Here is some documentation Adding a Windows AD to your Samba Active Directory domain — Samba-AD 4. Mar 29, 2019 · For Samba there is an article in the Samba-Wiki. Can SAMBA 4 act as a domain controller in a Server 2012 functional level forest? Introduction Starting from version 4. 0 March 18, 2026 ============================== This is the first Introduction Starting from version 4. 19 documentation I am going to assume that you already setup DNS and joined the controller to the domain. Supported domain and forest functionality levels for SambaBox Active Directory integration. May 2, 2024 · (I had to increase the domain and forest functional level with samba-tool) When you join the server, make sure you do the additional setup. Jan 9, 2025 · I am trying to upgrade my multi-node samba active directory domain from functional level 2008 R2 to 2016. Oct 30, 2025 · Discover the capabilities of Active Directory Domain Services functional levels and learn how they impact domain controllers and Windows Server compatibility. But according to this page, we need to trigger that change by modifying the domain controllers smb. For example, to set the domain functional level to 2008_R2: For a list of supported domain functional levels, see Supported Functional Levels. The AD functional levels Raising the Functional Levels Changing the IP Address of a Samba AD DC Configuring LDAP over SSL (LDAPS) on a Samba AD DC Delegating administrative permissions to non-administrators Joining Machines to a Domain Account management Administer workstations Managing local groups on domain members via GPO restricted groups. 0, you can raise the domain functional level of an existing domain to FL 2016, and AD Schema version to 88 (Windows Server 2019 / 2022). The second option, setting the overall domain functional level indicates that all DCs should be at this functional level. 0 Available for Download ============================== Release Notes for Samba 4. 19. conf and restarting Samba run May 2, 2024 · (I had to increase the domain and forest functional level with samba-tool) When you join the server, make sure you do the additional setup. ) Apr 28, 2025 · While trying to get radius working with my Samba domain controller, I was looking for a way to get attributes like radiusTunnelPrivateGroupId into it. To raise the domain functional level on a Samba Active Directory (AD) domain controller (DC), use samba-tool. 7! Samba 4. Apr 28, 2025 · Ok, that seems odd: There’s options to upgrade domain and forest level, but there’s no mentioning of function level. conf and restarting this service. Forest Functional Level 2016 and AD Schema 2022 ¶ Since 4.
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