[Samba] wbinfo can not convert User names and Group name to S ID

[Kevin Wilson]

Yep. We are dealing with once perfectly fine working 3.0.9 servers to
erratic and weird behaved ones. We believe this is due to changes made my MS
in http://www.microsoft.com/technet/security/Bulletin/MS05-042.mspx but thus
far have not been able to confirm.

Commands like: 	net rpc join -S PDC -U <Admin> 

now return "no suitable server found" even though that is the same command
used when we setup the darn thing and it worked then.

Bottom line is our samba member machines didn't change but "security
updates" to our PDC, master browser, etc. were done last week and that is
when the problems started.

Use of wbinfo is very erratic, most of the time the users and groups list
won't pull down. The -m option doesn't report the primary domain we belong
to, etc. After a service restart or a machine reboot nobody can access the
shares then after some magical period of time (an hour) you check and then
you can access them but sometimes you can't. Usually I restart winbind and
wait then I can sometimes get into the shares after the second attempt.

-----Original Message-----
From: Todor Genov [mailto:tgenov at gmail.com]
Sent: Wednesday, August 24, 2005 11:21 AM
To: samba at lists.samba.org
Subject: [Samba] wbinfo can not convert User names and Group name to SID


Hi there,

 I've been fighting with winbind for over 4 hours now and read every
related article I found on google to no avail. A server of mine
rebooted due to power outage today and a perfectly running winbind +
AD setup, wbinfo can now no longer convert user names or group names
to SID or vica versa. The weird part is that the built-in groups work
just fine.

[root at ncmfw samba]# wbinfo -n "BUILTIN/System Operators"
S-1-5-32-549 Well-known Group (5)

[root at ncmfw samba]# wbinfo -n Engineers
Could not lookup name Engineers

[root at ncmfw samba]# getent group |grep Engineers
Engineers:x:10018:

[root at ncmfw samba]# wbinfo -G 10018
S-1-5-21-3139104342-3182081393-1008461833-2114

[root at ncmfw samba]# wbinfo -s S-1-5-21-3139104342-3182081393-1008461833-2114
Could not lookup sid S-1-5-21-3139104342-3182081393-1008461833-2114


 After I upgraded samba to 3.0.10 everything seemed to work for a
while, however after I restarted winbind - the problems started again.
 Now user-to-SID and vica versa works fine, but group-to-SID still
does not.

 Has anybody experience a similar problem ?
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