[Samba] Conflicting objectSid

Andrew Bartlett abartlet at samba.org
Mon Feb 10 13:16:47 MST 2014

On Mon, 2014-02-10 at 12:16 +0800, Shem Pasamba wrote:
> Hi all,
> I'm having a problems with leaving and joining a client to the domain.  
> I'm using samba-4.1.4 as an AD server.  When I join and leave and join 
> and leave after a while this error comes up:
> Failed to join domain: failed to join domain 'AIIAS' over rpc: 
> And when I look at the logs it says:
> Failed to re-index objectSid in 
> CN=sambatest,CN=Computers,DC=aiias,DC=edu - 
> ../lib/ldb/ldb_tdb/ldb_index.c:1216: Failed to re-index objectSid in 
> CN=sambatest,CN=Computers,DC=aiias,DC=edu - ../l
> I went to debug the samba server and I discovered that it was having 
> conflicts with the SID of another user. Meaning the newly created dn for 
> the computer is conflicting with an added user.  These users where 
> imported using pdbedit -i tdbsam:smbpasswd.tdb -u <user>.  How can I 
> avoid this problem?

Yeah, don't do that :-)

This is one of the many reasons why we have the classicupgrade tool, it
ensures there is space below the RID pools to fit the imported users. 

That said, I think we can and should prevent that.  

Andrew Bartlett

Andrew Bartlett
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba

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