samba - Jan 2012 - Join to domain

Helo list, i follow the step in the URL
https://wiki.samba.org/index.php/Samba4_joining_a_domain, when i going to
run this tool bin/samba-tool domain join samba.example.com DC
-Uadministrator --realm=samba.example.com i have the follow error


root at bdc:/usr/local/samba/bin# ./samba-tool domain join eccmg.cupet.cu DC
-Usand
        y --realm=eccmg.cupet.cu
Finding a writeable DC for domain 'eccmg.cupet.cu'
Found DC siscont.eccmg.cupet.cu
Password for [WORKGROUP\sandy]:
Failed to bind - LDAP client internal error: NT_STATUS_INVALID_PARAMETER
Failed to connect to 'ldap://siscont.eccmg.cupet.cu' with backend
'ldap':
(null)
ERROR(ldb): uncaught exception - None
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/__init__.py",
line 167, in _run
    return self.run(*args, **kwargs)
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/domain.py",
line 162, in run
    machinepass=machinepass)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
927, in join_DC
    machinepass)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
71, in __init__
    credentials=ctx.creds, lp=ctx.lp)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/samdb.py",
line
58, in __init__
    options=options)
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/__init__.py",
line 113, in __init__
    self.connect(url, flags, options)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/samdb.py",
line
73, in connect
    options=options)



somebody can helpme

Hello list i did found my error, the problem was in the time
sincronization, both server must have the same time. thanks......

Hello list, iam again with the same problem, i need help.....Iam follow
the step in the URL
https://wiki.samba.org/index.php/Samba4_joining_a_domain, when i run
bin/samba-tool domain join samba.example.com DC -Uadministrator
--realm=samba.example.com i have the follow error.

root at backup:/usr/local/samba/bin# ./samba-tool domain join eccmg.cupet.cu
DC -Usandy --realm=eccmg.cupet.cu
Finding a writeable DC for domain 'eccmg.cupet.cu'
Found DC siscont.eccmg.cupet.cu
Password for [WORKGROUP\sandy]:
workgroup is ECCMG
realm is eccmg.cupet.cu
checking sAMAccountName
Adding CN=BACKUP,OU=Domain Controllers,DC=eccmg,DC=cupet,DC=cu
Adding
CN=BACKUP,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=eccmg,DC=cupet,DC=cu
Adding CN=NTDS
Settings,CN=BACKUP,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=eccmg,DC=cupet,DC=cu
Join failed - cleaning up
checking sAMAccountName
Deleted CN=BACKUP,OU=Domain Controllers,DC=eccmg,DC=cupet,DC=cu
Deleted
CN=BACKUP,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=eccmg,DC=cupet,DC=cu
ERROR(runtime): uncaught exception - (-1073741790, 'Access denied')
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/__init__.py",
line 162, in _run
    return self.run(*args, **kwargs)
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/domain.py",
line 180, in run
    machinepass=machinepass)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
967, in join_DC
    ctx.do_join()
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
872, in do_join
    ctx.join_add_objects()
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
467, in join_add_objects
    ctx.join_add_ntdsdsa()
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
416, in join_add_ntdsdsa
    ctx.DsAddEntry([rec])
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
326, in DsAddEntry
    ctx.drsuapi_connect()
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
line
305, in drsuapi_connect
    (ctx.drsuapi_handle, ctx.bind_supported_extensions)
drs_utils.drs_DsBind(ctx.drsuapi)
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/drs_utils.py",
line 144, in drs_DsBind
    (info, handle) = drs.DsBind(misc.GUID(drsuapi.DRSUAPI_DS_BIND_GUID),
bind_info)