Cannot join as secondary DC - samba 4.2.2 - <bug?>

Rowland Penny repenny241155 at gmail.com
Sun Jun 7 07:15:36 MDT 2015


On 07/06/15 13:31, bogdan_bartos wrote:
> I am getting the same and I did modify as per your advice:
>
> [root at backupdc bin]# cat /etc/krb5.conf
> [libdefaults]
>      dns_lookup_realm = false
>      dns_lookup_kdc = true
>      default_realm = FILESERVER.SPECIFIED.CA
>
> [root at backupdc bin]# kinit administrator
> Password for administrator at FILESERVER.SPECIFIED.CA:
> Warning: Your password will expire in 41 days on Sat 18 Jul 2015 01:58:01 PM
> MDT
>
> [root at backupdc bin]# ./samba-tool domain join fileserver.specified.ca DC
> -Uadministrator --realm=FILESERVER.SPECIFIED.CA
> Finding a writeable DC for domain 'fileserver.specified.ca'
> ERROR(exception): uncaught exception - Failed to find a writeable DC for
> domain 'fileserver.specified.ca'
>    File
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/__init__.py",
> line 175, in _run
>      return self.run(*args, **kwargs)
>    File
> "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/domain.py",
> line 613, in run
>      machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend)
>    File "/usr/local/samba/lib64/python2.7/site-packages/samba/join.py", line
> 1161, in join_DC
>      machinepass, use_ntvfs, dns_backend, promote_existing)
>    File "/usr/local/samba/lib64/python2.7/site-packages/samba/join.py", line
> 79, in __init__
>      ctx.server = ctx.find_dc(domain)
>    File "/usr/local/samba/lib64/python2.7/site-packages/samba/join.py", line
> 267, in find_dc
>      raise Exception("Failed to find a writeable DC for domain '%s'" %
> domain)
>
>
>
>
> --
> View this message in context: http://samba.2283325.n4.nabble.com/Cannot-join-as-secondary-DC-samba-4-2-2-bug-tp4686826p4686854.html
> Sent from the Samba - samba-technical mailing list archive at Nabble.com.


OK, this sounds like a dns problem.

Does the machine you are trying to join as a DC have a fixed IP ?
What is in /etc/resolv.conf ?
What is in /etc/hosts ?

What OS are you using ?

Rowland


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