Samba Active Directory Functional Level. Currently, Samba 4 supports emulating an AD Domain Controller up

Currently, Samba 4 supports emulating an AD Domain Controller up to the Windows 2008 R2 domain and forest functional levels. Mar 29, 2019 · Howto raise domain functional level Regarding Windows 2016 Server there is an article from Microsoft. I set this to 2012_R2 as Samba mostly meets that 2012_R2 functional May 2, 2024 · I joined Windows Server 2022 to Samba 4. This setup mirrors how Microsoft Active Directory works, but fully powered by open‑source software. I have 10 domain controllers all running the latest patch of samba 4. May 2, 2024 · I joined Windows Server 2022 to Samba 4. Setting the functional level simply sets a number stored in the directory which DCs will read and alter their behaviour accordingly. Joining a Windows Server 2012 or 2012 R2 DC to a Samba AD with 2012R2 functional level breaks the AD replication! Do not use this documentation until the problem is fixed! For more details, see Bug #13618. Can SAMBA 4 act as a domain controller in a Server 2012 functional level forest? Functional level Functional level basically describes what version of Active Directory you are running (which in Windows is tied to the OS version, but with newer OS able to run at earlier functional levels). Live Upgrade To upgrade the schema version on a running Samba installation to 2012_R2, use this command: > samba-tool domain schemaupgrade Note: This tool only works from 2008 R2. ) Dec 19, 2018 · This tutorial shows how to setup a fully functional active directory using samba4. Nov 8, 2022 · 1 2 sudo apt update sudo apt install -y acl attr samba samba-dsdb-modules samba-vfs-modules smbclient winbind libpam-winbind libnss-winbind libpam-krb5 krb5-config krb5-user dnsutils chrony net-tools Bringing the Domain and Forest Functionality Level to Windows 2008 R2 Samba’s current distribution supports domain and forest functionality up to Windows 2008 R2 at most. Jan 9, 2025 · I am trying to upgrade my multi-node samba active directory domain from functional level 2008 R2 to 2016. Raising functional level from older Samba-AD ¶ For older domain, you must update your /etc/samba/smb. conf option called ad dc functional level. However, the rollback can be performed in only the specific scenarios that are described in the Technet article about the Active Directory functional levels. If your tree structure is already like this, you can skip this step. > > I've read at Microsoft's "Understanding Active Directory Domain Services > > (AD DS) Functional Levels" page that "functional levels do not affect > which > > operating systems you can run on workstations and member May 5, 2024 · This article explains how to setup an Active Directory domain controller using Samba. The complete description of the file format and possible parameters held within are here for reference purposes. Pages in category "Active Directory" The following 105 pages are in this category, out of 105 total. For Samba there is an article in the Samba-Wiki. Dec 4, 2021 · right click on Active Directory Domains and Trust Raise Forest Functional Level … Windows Server 2019 Forest Function Level (FFL) Domain Function Level (DFL) Windows Server 2016 2019 Apr 22, 2024 · Ubuntu22. 5 on a Raspberry Pi 4, however other individuals have stated that it is not specific to the Samba version or platform, having tested 4. Apr 9, 2013 · We would like to raise the functional level to "Windows Server 2008 R2", but due to the age of some of our SaMBa installations, I would like to know which is the earliest version of SaMBa which supported Active Directory at the "Windows Server 2008 R2" functional level. Jan 15, 2025 · With the Windows Server 2008 R2 operating system, the changes to domain functional levels and to forest functional levels can be rolled back. samba-tool can now list, show, add and manipulate Authentication Silos (silos) and Active Directory Authentication Claims (claims). I’m considering adding a Windows Server 2025 as a member server to this domain and configuring it as a… Nov 8, 2023 · Windows server 2025 Forest and Domain functional levels. However, starting with Samba 4. 0 Available for Download ============================== Release Notes for Samba 4. conf on the [global] section to all your Samba-AD domain controllers : Mar 28, 2024 · The Samba-based Active Directory domain controller has added support for Authentication Policies and Authentication Silos created through the samba-tool utility or imported from Microsoft AD configurations. To archive the same goal functional level can be increased on UCS, … May 2, 2024 · I joined Windows Server 2022 to Samba 4. Jul 4, 2021 · Hi Support, Do Microsoft have any official documents that list out different Windows Server version support which protocol (SMB, LDAP, TLS, etc)? How about domain/forest functional level? I found these documents but seems they cannot proved… If a company has something ultra-legacy, like a Windows 2000 server running some legacy app, is there going to be any issues with upgrading their domain/forest functional levels to 2012 R2 or 2016? While Samba still provides only Functional Level 2008R2 by default, Samba as an AD DC will now, in provision ensure that the blank database is already prepared for Functional Level 2016, with AD Schema 2019. 12, and 4. Historically this would of not been possible as Samba AD is only at a 2008 functional level. As many will no doubt have noticed, there is a 2025 forest and domain functional level introduced in build 25941. This documentation describes how to set up Samba as the first DC to build a new AD forest. Ohm and a couple 2012 R2 and 2016 physical hosts. Mar 27, 2024 · Version 4. smb. 04. Descubra las funcionalidades de los niveles funcionales de Active Directory Domain Services y obtenga información sobre cómo afectan a los controladores de dominio y la compatibilidad de Windows Server. I’m using Proxmox for Oct 11, 2023 · Com o lançamento do Samba 4. Samba-AD allows to provision and manage an Active Directory domain: 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 Starting from version 4. 19 there is a new smb. You also won't be able to add a new domain to the forest. Nov 21, 2025 · In this guide, we walk through the process of setting up a Samba Active Directory Domain Controller. If you are installing Samba in a production environment, it is recommended to run two or more DCs for failover reasons. 20. Sep 11, 2017 · Starting from version 4. The smb. Apr 7, 2021 · Hi Experts! Can someone give us the impact if we raise the Domain and Forest Functional Level of current DC 2016 which is currently 2012 R2 functional Level to the highest level of 2016? Currently we have a XP client and Windows Server 2003 member… I cannot get Windows 11 Dev to connect to my Samba Active Directory Domain Controller, which runs Samba 4. Supported Functional Levels You can set the following functional levels in Active Directory (AD) via samba-tool. To Raise Domain Functional Level – right click on the Domain name right below Active Directory Domains and Trusts and choose Raise Domain Functional Level. 0 agora é possível elevar o nível funcional para 2016 é isso que quero mostrar nesse post . Samba-AD is a GPLv3 licensed opensource software that reproduces the behavior of Microsoft Active Directory (2022 schemas and 2016 functional level). Go to Active Directory Domains and Trusts. 14. I set this to 2012_R2 as Samba mostly meets that 2012_R2 functional Jan 14, 2025 · What is the highest forest and domain functional level? Find out in the forest and domain functional level compatibility matrix. 0 September 04, 2023 ============================== This is the first Starting from version 4. Samba AD Schema Version Support Samba supports the following Active Directory schema versions: * Experimental support. It is assumed that all configuration files are in their unmodified, post-installation state. Forest Functional Level 2016 and AD Schema 2022 ¶ Since 4. Oct 30, 2025 · Discover the capabilities of Active Directory Domain Services functional levels and learn how they impact domain controllers and Windows Server compatibility. Nov 27, 2021 · I want to move from a Samba based Domain Controller, to a Windows 2022 Domain Controller. Um also nach einem Update von Samba auch die Funktionsebene anzuheben, muss der Prozess manuell angestossen werden. Mar 10, 2023 · Our Forest/Domain Functional Level is at the > > lowest possible (Windows 2000), and we can't postpone raising it anymore. 13. 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). 15 only supports Server 2008 functional level, so you most likely won't be able to add Samba DCs to your existing domain. Changes include better support for group-managed service accounts, an experimental Windows search protocol client, support for conditional access control entries, and more. conf file is a configuration file for the Samba suite. At work, our Active Directory shows "Domain functional level: Windows Server 2012 R2" and "Forest functional level: Windows Server 2008 R2". samba-tool domain schemaupgrade --schema=2012_R2 samba-tool domain functionalprep --function-level=2012_R2 samba-tool domain level raise --domain-level=2012_R2 --forest-level=2012_R2 I would also run a check on the database just in case. Apr 22, 2025 · This is an example of how to build an Active Directory Domain Controller using Samba on Ubuntu 24. For those who are familiar with Samba based Active Directory, you might be a little surprised. SMB uses the Kerberos protocol to authenticate users against Active Directory on Windows domain networks. Windows Server 2019 and Windows Server 2022 do not introduce a new functional level. 04 LTS. 5 and having the same issue. 0 of the Samba Windows interoperability suite has been released. The goal is to create a fully functional AD environment with the ability to join Windows and Linux clients to the domain. The schema updates suggest these are delegated managed service accounts (dMSA) and 32k pagesize for the active directory database. Dec 24, 2024 · Hi Everyone, I’m currently managing an Active Directory environment with a Domain Functional Level (DFL) and Forest Functional Level (FFL) of 2016. We would like to show you a description here but the site won’t allow us. 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. Dec 10, 2025 · A Samba Active Directory Domain Controller (also known as just Samba AD/DC) is a server running Samba services that can provide authentication to domain users and computers, linux or Windows. Basically what we are going to do, is migrate all our data from: Samba -> Win 2008 -> Win 2012 -> Win 2022. In the Raise Forest Functional Level window, select Windows Server 2016 from the drop-down list. On simpler, peer-to-peer networks, SMB uses the NTLM protocol. 0, Samba is able to run as an Active Directory (AD) domain controller (DC). Samba-AD allows to provision and manage an Active Directory domain: Adding a Samba-AD in a Microsoft Active Directory domain ¶ This documentation can be used to migrate an existing MS-AD domain to a Samba-AD domain. In the left pane, right-click on Active Directory Domains and Trusts and select Raise Forest Functional Level. Is there any documentation on these? Aug 16, 2024 · Right-click on Active Directory Domains and Trusts (top node) and select Raise Forest Functional Level. 4LTS へ Samba AD をインストールする Ubuntu で Samba を Active Directory のドメインコントローラとして構築する手順をメモしておきます。. ) Nov 29, 2024 · This is an example of how to build an Active Directory Domain Controller using Samba on Fedora 41. 15. Aug 11, 2013 · What is the highest AD Forest functional level I can use and still have SAMBA 4 function as a domain controller. This feature is only available on systems with an Active Directory functional level of at least 2012_R2. 19. This setup becomes my main authentication setup for my NAS servers and file shares. May 1, 2024 · Introduction Starting from version 4. 13, 4. conf contains runtime configuration information for the Samba programs. 0 (released in 2012,) Samba is able to serve as an Active Directory (AD) domain controller (DC). User Documentation Setting up Samba as an Active Directory Domain Controller Setting up Samba as a Domain Member Joining a Samba DC to an Existing Active Directory Updating Samba Setting up a Share Using POSIX ACLs Setting up a Share Using Windows ACLs Setting up Samba as a Print Server CTDB and Clustered Samba FAQ - Frequently Asked Questions Sep 26, 2023 · New samba-tool support for silos, claims, sites and subnets. Additionally, Samba can serve as an Active Directory (AD) Domain Controller or be joined to a domain as a member within a realm. Samba 4. The highest functional level Windows Server 2019 and Windows Server 2022 use is Windows Server 2016. 10 all with identical functional levels. It also sets up a redundant system with two servers so that one may fail or reboot without loosing the directory access. Once the lowest functional level is 2012_R2 you can upgrade the domain. While Samba still provides only Functional Level 2008R2 by default, Samba as an AD DC will now, in provision ensure that the blank database is already prepared for Functional Level 2016, with AD Schema 2019. I set this to 2012_R2 as Samba mostly meets that 2012_R2 functional Additionally, Samba can serve as an Active Directory (AD) Domain Controller or be joined to a domain as a member within a realm. Turns out, it’s not really a simple process! For starters, Samba’s Domain Level is that of a 2008 DC, so we can’t just connect it to win-2022. Jan 25, 2021 · At this time, Samba 4. Thankfully Windows 2012 can join a down-level (2008/2008R2) domain, just not at Functional Level 2012/2012R2, provided the schema is updated, which samba can do. We have Windows Several 2008 R2 VMs, and several Windows Server 2012 R2 VMs running on Windows Server 2012 R2 Hyper-V cluster hosts. This will display the Domain or the Forest Name and it’s current domain functional level, and a drop down to choose the new functional level you want to use. Apr 25, 2024 · If you created the domain at a lower functional level, you will need to migrate from using FRS to DFS replication for SYSVOL. Nov 20, 2025 · Das Active Directory in Samba bleibt auch nach Updates auf der bestehenden Funktionsebene (Domain Functional Level).

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