[Samba] Member server: Failed to join domain: failed to find DC for

[Rowland Penny]

On Sat, 8 Jun 2024 18:07:55 +0100
Luis Peromarta <lperoma at icloud.com> wrote:

> 
> LP
> On Jun 8, 2024 at 17:56 +0100, samba at lists.samba.org
> <samba at lists.samba.org>, wrote:
> >
> > I have never run those commands like that, I normally run 'net ads
> > join -Uadministrator' or 'net ads leave -Uadministrator', I have
> > never specified the domain.
> 
> I did specify domain out of frustration I think. More test as per
> your inputs: (net ads join fails)
> 
> 
> root at member:~# net ads join domain -Uadministrator
> Password for [MAD\administrator]:
> Failed to join domain: failed to find DC for domain domain - A domain
> controller for this domain was not found.
> 
> root at member:~# samba-tool domain join mad.mater.int MEMBER
> -Uadministrator WARNING: Using passwords on command line is insecure.
> Installing the setproctitle python module will hide these from
> shortly after program start. Password for [MAD\administrator]: DNS
> Update for member.mad.mater.int failed: ERROR_DNS_UPDATE_FAILED DNS
> update failed: NT_STATUS_UNSUCCESSFUL Joined domain mad.mater.int
> (S-1-5-21-2152908145-95474353-1514027631)
> 
> 
> I leave domain again and then: (don’t specify MEMBER seems to work)
> 
> root at member:~# samba-tool domain join mad.mater.int -Uadministrator
> WARNING: Using passwords on command line is insecure. Installing the
> setproctitle python module will hide these from shortly after program
> start. Password for [MAD\administrator]: DNS Update for
> member.mad.mater.int failed: ERROR_DNS_UPDATE_FAILED DNS update
> failed: NT_STATUS_UNSUCCESSFUL Joined domain mad.mater.int
> (S-1-5-21-2152908145-95474353-1514027631)
> 
> 
> 

This all sounds dns related, can you post the contents of these files:

/etc/hostname
/etc/hosts
/etc/resolv.conf
/etc/krb5.conf

What OS is this ?

Rowland