[Samba] Domain authentication failing after a period of time

William R. Knox wknox at mitre.org
Fri Nov 19 18:02:47 GMT 2004

Adding a little bit more detail:

It still happens with a just upgraded 3.0.9 install

The period of time appears to be 15 minutes (tested twice, connecting
every 30 seconds, 15 minutes both times) - until then, connections work
fine. After that, see below.

Here is the output from a debug level 3 smbclient connection:

$ smbclient -d 3 -L \\\\server_name -U user%pass
lp_load: refreshing parameters
Initialising global parameters
params.c:pm_process() - Processing configuration file
Processing section "[global]"
added interface ip=XXX.XXX.XXX.XXX bcast=XXX.XXX.XXX.XXX nmask=
Client started (version 3.0.9).
resolve_lmhosts: Attempting lmhosts lookup for name server_name<0x20>
resolve_wins: Attempting wins lookup for name server_name<0x20>
resolve_wins: using WINS server XXX.XXX.XXX.XXX and tag '*'
Got a positive name query response from XXX.XXX.XXX.XXX ( XXX.XXX.XXX.XXX )
Connecting to XXX.XXX.XXX.XXX at port 445
Doing spnego session setup (blob length=58)
got OID=1 3 6 1 4 1 311 2 2 10
got principal=NONE
Got challenge flags:
Got NTLMSSP neg_flags=0x60890215
NTLMSSP: Set final flags:
Got NTLMSSP neg_flags=0x60080215
NTLMSSP Sign/Seal - Initialising with flags:
Got NTLMSSP neg_flags=0x60080215
SPNEGO login failed: No logon servers
session setup failed: NT_STATUS_NO_LOGON_SERVERS

			Bill Knox
			Lead Operating Systems Programmer/Analyst
			The MITRE Corporation

On Thu, 18 Nov 2004, William R. Knox wrote:

> Date: Thu, 18 Nov 2004 14:36:53 -0500 (EST)
> From: William R. Knox <wknox at mitre.org>
> To: samba at lists.samba.org
> Subject: [Samba] Domain authentication failing after a period of time
> I am having an unusual bit of behavior with a recently upgraded 3.0.8
> installation (from 3.0.2a). I upgraded the server and retained the
> secrets.tdb file. The server itself is using security = domain, and it had
> been joined to the domain prior to the upgrade. Now, once I started the
> new version, I couldn't log on, and would get the error "There are no
> logon servers available to service the logon request". If I "rejoin" the
> domain (using the net join command), I can access the shares, but only for
> a period of time. After a few minutes (there doesn't seem to be a specific
> interval), that same message is returned. Running a smbclient -L against
> the system yields "session setup failed: NT_STATUS_NO_LOGON_SERVERS".
> I haven't tried failing back to 3.0.2a yet, but I will if that will help
> in any diagnoses.
> Thanks in advance for any help anyone may be able to give.
> 			Bill Knox
> 			Lead Operating Systems Programmer/Analyst
> 			The MITRE Corporation
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