Hi,
i upgrade on a new server samba3 to samba4 with a LDAP Backend.
I have followed this HowTO 
 http://wiki.samba.org/index.php/Samba4/samba-tool/domain/classicupgrade/HOWTO

until de classicupgrade step
Here is the errors I get 

 /usr/local/samba/bin/samba-tool domain classicupgrade 
--dbdir=/root/samba3/tdbfiles --use-xattrs=yes  --realm=bceao.int 
/root/samba3/tdbfiles/smb.conf

Reading smb.conf
WARNING: The "idmap backend" option is deprecated
WARNING: The "idmap uid" option is deprecated
WARNING: The "idmap gid" option is deprecated
Provisioning
Exporting account policy
Exporting groups
Ignoring group 'Administrateurs' S-1-5-32-544 listed but then not found: Unable 
to enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Operateurs de compte' S-1-5-32-548 listed but then not found: 
Unable to enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Operateurs impression' S-1-5-32-550 listed but then not found: 
Unable to enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Operateurs de sauvegarde' S-1-5-32-551 listed but then not 
found: Unable to enumerate members for alias, 
(-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Replicateurs' S-1-5-32-552 listed but then not found: Unable to 
enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Invites' S-1-5-32-546 listed but then not found: Unable to 
enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Operateurs de serveur' S-1-5-32-549 listed but then not found: 
Unable to enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Ignoring group 'Utilisateurs' S-1-5-32-545 listed but then not found: Unable to 
enumerate members for alias, (-1073741487,NT_STATUS_NO_SUCH_ALIAS)
Exporting users
sid S-1-5-21-3933610348-2251462730-2069165054-1000 does not belong to our domain
  Demoting BDC account trust for z00-dc3, this DC must be elevated to an AD DC 
using 'samba-tool domain promote'
  Skipping wellknown rid=500 (for username=pdc_admin)
  Skipping wellknown rid=501 (for username=nobody)
Ignoring group memberships of 'toto' 
S-1-5-21-1770481708-1631662840-68360779-30866: Unable to enumerate group 
memberships, (-1073741596,NT_STATUS_INTERNAL_DB_CORRUPTION)
Ignoring group memberships of 'etoto' 
S-1-5-21-1770481708-1631662840-68360779-66424: Unable to enumerate group 
memberships, (-1073741596,NT_STATUS_INTERNAL_DB_CORRUPTION)
  Demoting BDC account trust for z00-dc02, this DC must be elevated to an AD DC 
using 'samba-tool domain promote'
Next rid = 66425
Following sids are both user and group sids:
   S-1-5-21-1770481708-1631662840-68360779-3221
ERROR(<class 'samba.provision.ProvisioningError'>): uncaught exception - 
ProvisioningError: Please remove duplicate sid entries before upgrade.
  File 
"/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/__init__.py", line 
175, in _run
    return self.run(*args, **kwargs)
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/domain.py", 
line 1318, in run
    useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/upgrade.py", line 
778, in upgrade_from_samba3
    raise ProvisioningError("Please remove duplicate sid entries before 
upgrade.")

I create a link to all files wich are in the same directory as the secret.tdb 
file. But this didn't solve the problem.

Please, could anyone help me. 
I have this error since one week and coud not figure it out.
i need help.


MMe GUEI NOEE MELAINE
BP 3108 DAKAR SENEGAL
SERVICE INFORMATIQUE
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