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Old 02-17-2004, 06:22 AM   #1
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Registered: Feb 2004
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Samba & Windows SID resolution

Have tried lots of searching for this problem without much success so am posting this here in the hope someone here may help.

I have a the following setup

RedHat 9
Samba 3.0.1 using winbind and security = DOMAIN
kernel 2.6.1 with acl support

The system is mostly running without problems. However if I view file
properties of files or directories from windows explorer and look at
the permissions the SID numbers are not resolved. On some machines
some of the SID numbers are resolved.

if I use the wbinfo -n name or wbinfo -s sid the resolution works
perfectly ok.

The linux box has only the default users/groups from the install.
Winbind works ok, I can log onto the box as any domain user without a problem.

The acl's seem to work ok. getfacl and setfacl work ok on the box.
However setting permission from windows explorer also has problems
and is different again on different machines.

If I use net groupmap list only some of the domain groups are listed and mapped to -1 which is fine as there are no linux matching groups.

Why do only some of the groups appear ?

I expect that these problems are due to only one fact that I am missing.
Does anyone else have problems displaying file permissions in windows explorer, and if so what did you do to fix it ?

many thanks for any help
Old 02-17-2004, 01:54 PM   #2
Registered: Sep 2003
Posts: 240

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sounds like you cloned ms machines without running sidwalker or sysprep...

are you CERTAIN that all machines have unique SIDS? or you could run sidwalker or sysprep on the machines that are not appearing to be sure they have unique ids...
Old 02-19-2004, 02:20 AM   #3
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Registered: Feb 2004
Posts: 2

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I believe that all SID's are unique. The linux box is a member of the domain. The join is ok according to net testjoin.

getent passwd and getent group lists all the domain users and groups.

I can login to the linux box using a domain username.

The SID problem is frustrating as everything else seems to be working fine.

I can see no reason why some SID's resolve and others dont.
Do you know where windows explorer goes to resolve SID's into users or groups ?

I can take any unresolved SID number displayed in explorer and do

wbinfo -s SID on the linux box and it will resolve the name correctly.
Equally the reverse wbino -n name resolves to SID no's without a problem.


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