Any updates on authenticating against Active Directory?

Michael Schwartzkopff ms at
Mon Nov 15 12:40:43 CET 2021

On 15.11.21 12:37, egobrc at wrote:
> Hi,
> I am configuring a Freeradius server on Ubuntu 20.04 to authenticate
> against an Active Directory Domain. I searched online and found many
> documentation pages, like this one:
> but
> I did not find any recently produced page, every page that I found dates
> back to 5+ years ago and relies on Samba and ntlm_auth command.
> So my question is: is this procedure still recommended? Or are there any
> newer procedures? Can't I query AD domain as an LDAP server, avoiding
> joining my Ubuntu server to the domain?

This doc is still valid. You have to use samba for authentication.

For authorization you can query the LDAP part of the AD server, of course.

Mit freundlichen Grüßen,


[*] sys4 AG, +49 (89) 30 90 46 64
Schleißheimer Straße 26/MG,80333 München
Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263
Vorstand: Patrick Ben Koetter, Marc Schiffbauer, Wolfgang Stief
Aufsichtsratsvorsitzender: Florian Kirstein

More information about the Freeradius-Users mailing list