[Samba] Persistent event 4625 on RDP login

[Andrew Bartlett]

On Fri, 2023-08-18 at 11:32 -0400, Philippe Clérié via samba wrote:
> Good day all,
> About a month ago I was installing Java 8u341 on a workstation
> attached toa Samba AD domain, using my usual domain administrator
> account via RDP. Ialso let Windows install some already downloaded
> updates, then I rebooted.On reboot, I could no longer log in with an
> existing non-administratordomain account authorized for RDP. Machine
> local accounts (admin) could nowlogin remotely. The user at the
> computer had no such problem and could useher domain account as
> usual. Event 4625 is associated with the failed loginevent.
> (By the way, the Java install and the updates are included because
> that'swhat I was doing at the time. I'm not implying anything,
> particularly sincethe other two computers I worked on that day had no
> such issues).
> I did what one does with Windows. First I confirmed that both the
> user andthe domain admin accounts could login directly. Then, in
> sequence:
> 
> - Reboot- Restart Samba AD- Check/clear cached credentials- Drop the
> machine from the domain and rejoin
> At some point the domain administrator also stopped being able to RDP
> tothe machine.
> For different reasons I was unable to get back to the issue and since
> I hadno complaints, and no resolution the situation is still
> unresolved.
> 
> Google has not been very helpful. So I'm hoping to get some clues
> from thepros...
> Software:
> - VM based on LXD 5.15- Ubuntu 22.04 (GNU/Linux 5.15.0-78-generic
> x86_64)- Samba 4.15 (2:4.15.13+dfsg-0ubuntu1.3)

This looks like:
https://bugzilla.samba.org/show_bug.cgi?id=15418
That version should have the fix however.  You may need to see more
detailed support.
Andrew Bartlett

-- 
Andrew Bartlett (he/him)       https://samba.org/~abartlet/Samba Team Member (since 2001) https://samba.orgSamba Team Lead                https://catalyst.net.nz/services/sambaCatalyst.Net Ltd
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