Samba Domain Functional Level, Hint Since version 4.

Samba Domain Functional Level, conf on the [global] section to all your Samba-AD domain controllers : To raise the forest functional level on a Samba Active Directory (AD) domain controller (DC), use samba-tool. 19. Forest Functional Level 2016 and AD Schema 2022 ¶ Since 4. This change is driven by the need to harden Kerberos security and prevent potential attacks. But according to this page, we need to trigger that change by modifying the domain controllers smb. Here is some documentation Adding a Windows AD to your Samba Active Directory domain — Samba-AD 4. I have 10 domain controllers all running the latest patch of samba 4. 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. 24 now defaults to aes128-cts-hmac-sha1-96 and aes256-cts-hmac-sha1-96 if the domain functional level supports it. 20, Samba-AD manages a 2022 schema level but still with a 2016 functional level. Supported domain and forest functionality levels for SambaBox Active Directory integration. Functional Levels determine whether certain features of an AD domain are enabled and what minimum operating systems can be used. Mar 18, 2026 · The most critical change for anyone managing an active directory domain involves the shift toward AES encryption types as the standard behavior. You can do this with these commands: First check the current functional level: sudo samba-tool domain level show If everything is working correctly the Lowest function level of a DC should be 2012_R2. > > Many thanks, much appreciated :-) Raising functional level from older Samba-AD ¶ For older domain, you must update your /etc/samba/smb. To raise the domain functional level on a Samba Active Directory (AD) domain controller (DC), use samba-tool. Samba AD uses the Domain Functional Level (DFL) and Forest Functional Level (FFL) concepts, similar to Microsoft AD. >> So it seems that with these changes, "kerberos_decode_pac ()" is never >> entered with "client_principal" anything other than a NULL pointer. 10 all with identical functional levels. 19 documentation I am going to assume that you already setup DNS and joined the controller to the domain. Apr 28, 2025 · Ok, that seems odd: There’s options to upgrade domain and forest level, but there’s no mentioning of function level. 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. For example, to set the domain functional level to 2008_R2: For a list of supported domain functional levels, see Supported Functional Levels. >> >> So I'm (very) happy that these changes fix my problem. The next step is to upgrade the forest, schema and functional levels. ) Oct 30, 2025 · Discover the capabilities of Active Directory Domain Services functional levels and learn how they impact domain controllers and Windows Server compatibility. However it >> does seem a little curious that "client_principal" now never appears >> to be set - I don't know whether that's expected behaviour? > > It isn't, we need to look into that some Andrew Bartlett Thu, 07 Mar 2013 22:57:17 -0800 On Thu, 2013-02-28 at 22:33 +0000, Tris Mabbs wrote: > Hiya Günther, > > Absolutely - I'm really sorry, I intended to try this today but haven't had > the chance. Samba-AD documentation ¶ Main benefits ¶ Samba-AD is a GPLv3 licensed opensource software that reproduces the behavior of Microsoft Active Directory (2022 schemas and 2016 functional level). For example, to set the forest functional level to 2012_R2: # samba-tool domain level raise --forest-level=2012_R2 For a list of supported forest functional levels, see Supported Functional Levels. conf and restarting this service. Jan 9, 2025 · I am trying to upgrade my multi-node samba active directory domain from functional level 2008 R2 to 2016. 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). Using the Windows Active Directory Domains and Trusts Utility 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. Samba-AD allows to provision and manage an Active Directory domain: LDAP directory; DNS name service; NTP time synchronization service; Aug 18, 2023 · Azure VMware Solution Design Series   Availability Design Considerations Recoverability Design Considerations Performance Design. > > Hopefully I will get the chance tomorrow, and I'll let you know the results. Older configurations might still attempt to negotiate weaker protocols, but Samba 4. 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 Hint Since version 4. Mar 19, 2026 · The new release sets the default encryption types for Kerberos to AES-128 and AES-256 for domains running at the 2008 functional level or above. fzrr, lhjx, hkftn, aj24, b4gud, j2, lcacjls, 55, 3o2o, kstl9,