[Samba] Could not convert sid S-0-0

[Jochen Eggemann]

Here are the lines of the winbind.log justs after a restart of winbind:

[2024/09/25 07:32:24.878544,  1] 
../../source3/winbindd/wb_lookupsid.c:102(wb_lookupsid_recv)
   Failed with STATUS_SOME_UNMAPPED.
[2024/09/25 07:32:41.921563,  0] 
../../source3/winbindd/winbindd_dual.c:1964(winbindd_sig_term_handler)
   Got sig[15] terminate (is_parent=1)
[2024/09/25 07:32:42.042654,  0] 
../../source3/winbindd/winbindd.c:1441(main)
   winbindd version 4.19.3-SerNet-5ubuntu22.04 started.
   Copyright Andrew Tridgell and the Samba Team 1992-2023
[2024/09/25 07:32:57.345622,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.347134,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.348522,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.444060,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.451309,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.455359,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.456963,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED
[2024/09/25 07:32:57.464293,  1] 
../../source3/winbindd/winbindd_getgroups.c:259(winbindd_getgroups_recv)
   Could not convert sid S-0-0: NT_STATUS_NONE_MAPPED

The ouptut of testparm -s without the shares:

Load smb config files from /etc/samba/smb.conf
Loaded services file OK.
Weak crypto is allowed by GnuTLS (e.g. NTLM as a compatibility fallback)

Server role: ROLE_DOMAIN_MEMBER

# Global parameters
[global]
         bind interfaces only = Yes
         cups server = No
         deadtime = 15
         disable netbios = Yes
         disable spoolss = Yes
         interfaces = 172.21.0.1 127.0.0.1
         load printers = No
         log file = /var/log/samba/%m.log
         netbios aliases = WPKG-HM
         printcap name = /dev/null
         realm = NFV.NW-FVA.DE
         security = ADS
         smb1 unix extensions = No
         smb ports = 445
         socket options = IPTOS_LOWDELAY TCP_NODELAY
         template homedir = /home/smb/%U
         winbind max clients = 1000
         winbind max domain connections = 10
         winbind refresh tickets = Yes
         wins server = No
         workgroup = NFV
         idmap config nfv : range = 1000-2999999
         idmap config nfv : backend = ad
         idmap config * : range = 3000000-3100000
         idmap config * : backend = tdb
         hosts allow = localhost 172.17.242.0/23 172.20.0.0/16 
172.21.0.0/16 192.168.1.0/24 192.168.100.0/24
         map acl inherit = Yes
         printing = bsd
         use sendfile = Yes
         vfs objects = acl_xattr


	*Jochen Eggemann*

Nordwestdeutsche Forstliche Versuchsanstalt
IT-Management
Grätzelstr. 2
37079 Göttingen
Tel: 0551 69 40 11 64
USt-ID: DE812813104


Am 23.09.24 um 17:39 schrieb Rowland Penny via samba:
> On Mon, 23 Sep 2024 16:08:54 +0200
> Jochen Eggemann via samba<samba at lists.samba.org>  wrote:
>
>> Hi,
>>
>> my file server winbind.log is full of "Could not convert sid S-0-0:
>> NT_STATUS_NONE_MAPPED"
>>
>> Searching for that string does not produce any helpfull hints on how
>> to resolv the problem.
>>
>> We are using 4.19.3-SerNet-5ubuntu22.04
>>
>> Any ideas?
> Not from what you have posted.
>
> What are the actual log lines ?
> Is there anything before them that may be relevant
> How are you running Samba ? (the output of 'testparm -s' would be
> helpful.
>
> Rowland
>