[Samba] "failed to lookup DC info for domain over rpc" when joining samba4 domain

[Rowland Penny]

On 09/03/15 21:33, Richard Connon wrote:
> Hi,
>
> I have an existing samba4 domain with 2 domain controllers on different
> sites.
>
> Both domain controllers are running samba 4.1.17
>
> Until recently the domain operated exactly as expected. I recently tried
> to join a new machine to the domain and received the error:
>
> Failed to join domain: failed to lookup DC info for domain
> 'ADS.CONNON.ME.UK' over rpc
>
> I'm not sure what has triggered this change in behaviour. Authentication
> against the domain still works as normal.
>
> I've attached a full debug log of the domain join process.
>
> Anyone got any ideas where I should be looking?
>
> Regards,
> Richard
>
>

How did you try to join the machine to the domain ? I think I know, but 
it would like you to confirm my suspicions.

Rowland