samba4 as DC in 2008 R2 Forest

[Eric Painley]

Hello Dark,

I had this problem and just found a solution today!


The problem is not with samba itself but actually your active directory configuration database. There is a Microsoft bug in the schema for the msExchBridgeheadedLocalConnectorsDNBL schema attribute. Samba is not able to join the domain because of a LDAP consistency violation that samba doesn't yet understand. The fix in a nutshell is Microsoft for some reason set the isSingleValued of this attribute to true when in reality it stores multiple values for all your send connectors. What you need to do is change this isSingleValued schema attribute to true. This was a challenge for me but this site really helped me out : http://blogs.technet.com/b/janelewis/archive/2009/12/11/how-to-modify-a-system-owned-object.aspx

Hope this helps,

--Eric


-----Original Message-----
From: samba-technical-bounces at lists.samba.org on behalf of dark
Sent: Wed 1/26/2011 9:14 AM
To: samba-technical at lists.samba.org
Subject: Re: samba4 as DC in 2008 R2 Forest
 

I got the same error with samba-4.0.0alpha14 when I try to replicate from an
Exchange
provisioned AD. I don't realy need to replicate the Exchange part to perform
my test.
Kamen do you still have the patch you mentioned? It will help me to test
samba4 further...
Does anyone have a solution?
Thanks,
Dark

Starting replication
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[402]
linked_values[0]
Schema-DN[CN=Schema,CN=Configuration,DC=lol,DC=local] objects[214]
linked_values[0]
Analyze and apply schema objects
Can't continue Schema load: didn't manage to convert any objects: all 215
remaining of 3028 objects failed to convert
Join failed - cleaning up
checking samaccountname
Deleted CN=BO0K,OU=Domain Controllers,DC=lol,DC=local
Deleted CN=NTDS
Settings,CN=DRKBO0K,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=lol,DC=local
Deleted
CN=BO0K,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=lol,DC=local
ERROR(<type 'exceptions.TypeError'>): uncaught exception - Failed to process
chunk: NT_STATUS_INTERNAL_ERROR
  File
"/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/__init__.py",
line 134, in _run
    return self.run(*args, **kwargs)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/netcmd/join.py",
line 64, in run
    site=site, netbios_name=netbios_name)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py", line
583, in join_DC
    ctx.do_join()
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py", line
517, in do_join
    ctx.join_replicate()
  File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py", line
468, in join_replicate
    replica_flags=ctx.replica_flags)
  File "/usr/local/samba/lib/python2.6/site-packages/samba/drs_utils.py",
line 170, in replicate
    self.net.replicate_chunk(self.replication_state, level, ctr,
schema=schema)

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