Failure to join existing domain

[Andreas Oster]

Hello Alex,

I managed to join the domain by adding -S "DCname" to the join command

kind regards

Andreas

Am 02.12.2011 09:38, schrieb Alex King:
> Hi,
> 
> I pulled down samba from git (alpha 18), followed the HOWTO at
> http://wiki.samba.org/index.php/Samba4/HOWTO/Join_a_domain_as_a_DC
> 
> Trying to install a DC alongside an existing 2008R2 server with
> Exchange2007.
> 
> I installed a fresh Debian Stable base system in a VM.
> 
> I compiled, installed, set up DNS (pointed /etc/resolv.conf to the
> existing 2008 server) and Kerberos as in the howto.  kinit successfully
> gained a ticket, but samba-tool domain join failed with
> "ERROR(exception): uncaught exception - Failed to find a writeable DC
> for domain"
> 
> Reporting the failure as requested in the howto.  I have googled this
> error, without getting any advice that can get me further.
> 
> root at ad1:/usr/local/samba# /usr/local/samba/bin/samba-tool domain join
> servers.nzcuexchange.co.nz DC -Uadministrator
> --realm=servers.nzcuexchange.co.nz
> Finding a writeable DC for domain 'servers.nzcuexchange.co.nz'
> ERROR(exception): uncaught exception - Failed to find a writeable DC for
> domain 'servers.nzcuexchange.co.nz'
>   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 151, in run
>     machinepass=machinepass)
>   File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
> line 921, in join_DC
>     machinepass)
>   File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
> line 66, in __init__
>     ctx.server = ctx.find_dc(domain)
>   File "/usr/local/samba/lib/python2.6/site-packages/samba/join.py",
> line 204, in find_dc
>     raise Exception("Failed to find a writeable DC for domain '%s'" %
> domain)
> 
> I understand the exchange server schema may cause problems, but this
> seems like early in the process to luck out.
> 
> What could be causing this error?
> 
> Does anyone else have success joining alpha18 to a 2008 AD domain?  Has
> anyone else successfully got samba4 DCs running with the exchange schema?
> 
> My aim is to have all users in AD using a linux MTA, but a small subset
> of users will have email forwarded to exchange running on 2008.  If I
> can't have the exchange server running in the same domain as samba4, I
> might just keep them running in separate domains.
> 
> Thanks,
> Alex
>