[Samba] Problem after update version 4.15.0
rpenny at samba.org
Wed Sep 29 09:18:49 UTC 2021
On Wed, 2021-09-29 at 10:48 +0200, Rainer Meier via samba wrote:
> On 29.09.2021 10:08, L.P.H. van Belle via samba wrote:
> > This.
> > > ../../source4/auth/ntlm/auth.c:241(auth_check_password_send)
> > > auth_check_password_send: Checking password for unmapped user
> > > [CYBERDYNE]\[CYB64W10-TEST$]@[CYB64W10-TEST]
> > I would have expected
> > > [CYBERDYNE]\[CYB64W10-TEST$]@[AD.CYBERDYNE.LOCAL]
> Actually right. Would expect the same. But in Samba 4.14.7 no such
> problem appearing.
> > I see this so now and then here also that, suddenly a computer/user
> > cant login.
> > Common causes..
> > 1) PC time out of sync with DC.
> No, Time is NTP-Synchronized.
> > 2) Computer account its password expired.
> Not sure but Samba 4.14.7 does not complain at all - even if
> just Samba binaries I am perfectly able to log on. Passwords are
> supposed to renew automatically as of my knowledge. The machine is
> use almost daily so it's not a machine which was not connected or
> for months.
> > 3) Lots domain trust.
> Right after Samba 4.15 upgrade? On 80% of my machines? And machines
> re-gain trust after Samba downgrade? hmmm
> > But what does the evenlog show and i assume the same user on an
> > other computer can login?
> Good point, let me try to dig up some logs from my attempts
> (meanwhile my Samba is rolled back).
> Here is what I found in the event logs:
> Log Name: System
> Source: NETLOGON
> Date: 9/28/2021 9:44:07 PM
> Event ID: 3210
> Task Category: None
> Level: Error
> Keywords: Classic
> User: N/A
> Computer: cyb64w10-test.ad.cyberdyne.local
> This computer could not authenticate with
> \\skynet.ad.cyberdyne.local, a
> Windows domain controller for domain CYBERDYNE, and therefore this
> computer might deny logon requests. This inability to authenticate
> be caused by another computer on the same network using the same name
> the password for this computer account is not recognized. If this
> message appears again, contact your system administrator.
> Event Xml:
> <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
> <Provider Name="NETLOGON" />
> <EventID Qualifiers="0">3210</EventID>
> <TimeCreated SystemTime="2021-09-28T19:44:07.3916682Z" />
> <Correlation />
> <Execution ProcessID="0" ThreadID="0" />
> <Security />
> Again, this completely disappeared after rolling back, without
> re-join or anything else. Samba 4.15 seems just to refuse
> for no good reason.
There could be a problem here, I have just found this:
Very similar problem, if not the same.
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