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Re: [Samba] samba 4.9.5 - joining Samba DC to existing Samba AD failed




On Wed, 27 Mar 2019 09:01:39 +0000
Rowland Penny via samba <samba@xxxxxxxxxxxxxxx> wrote:

> On Wed, 27 Mar 2019 09:45:18 +0100
> "L.P.H. van Belle via samba" <samba@xxxxxxxxxxxxxxx> wrote:
> 
> > Hai, 
> > 
> > 
> > I dont think one noticed this.. 
> > 
> > ldbsearch -H ldap://dc4 -UAdministrator 
> > ldbsearch -H ldap://dc1 -U Administrator 
> > 
> > So whats the difference when you see this responce of the command: 
> >  Invalid option -U: unknown ... 
> > 
> > The " " between -U Admin... 
> > Try again without the space or use --user=Administrator 
> > 
> > 
> > Greetz, 
> > 
> > Louis
> 
> The space doesn't make any difference '-U Administrator' or
> '-UAdministrator' both work, as does '-U administrator' or
> '-Uadministrator'
> 
> I just wonder where '-U' went ?
> 
> Rowland
> 

I have been looking at the 'Administrator' object that the OP posted.

The failure in his original post was this:

ERROR(ldb): uncaught exception - descriptor_modify on
CN=Administrator,CN=Users,DC=zamecek,DC=home failed: operations error
at ../source4/dsdb/samdb/ldb_modules/descriptor.c:819

lines 816 - 820 in descriptor.c are these:

	objectclass = dsdb_get_last_structural_class(schema,
						     objectclass_element);
	if (objectclass == NULL) {
		return ldb_operr(ldb);
	}

So, it looks like (to me anyway) that it is looking for the objectclass
for 'nTSecurityDescriptor' and trying to match it to the last
objectclass found in the list:

objectClass: top
objectClass: person
objectClass: organizationalPerson
objectClass: user
objectClass: posixAccount

I may be barking up the wrong tree here, but I would remove all the
rfc2307 attributes and objectclass from 'Administrator':

objectClass: posixAccount
gidNumber: 1103
uidNumber: 0
loginShell: /bin/bash
unixHomeDirectory: /root

They are definitely not required and could be causing the problem.

Rowland


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