[Samba] Classicupgrade not work

[Jonis Maurin Ceará]

I'm trying to convert my samba3  domain to samba4 AD with samba-tool,
but i'm getting an error and i can' t find anything about it on
google.

I've enabled the log level 4 on smb.conf and here's what i got:

Home server: PANDORA
init_sam_from_ldap: Entry found for user: DIRET-ESTAG$
Home server: PANDORA
init_sam_from_ldap: Entry found for user: dsegato
Home server: PANDORA
init_sam_from_ldap: Entry found for user: lesley
Home server: PANDORA
ERROR(<type 'exceptions.AttributeError'>): uncaught exception -
'passdb.Samu' object has no attribute 'acct_flags'
  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 722, in upgrade_from_samba3
    % (user.acct_flags, username,
[


I've copied my .tdb files to a new test server.....also, i'm using
ldap backend on s3.