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Re: [Samba] Please help with Samba AD DC after restore from backup




Small update: I added "lo" to the interfaces in smb.conf, now smbclient
works also on localhost. But both the other problems remain as described
for now.

On Sun, 26 May 2019 at 19:17, Viktor Trojanovic <viktor@xxxxxxxx> wrote:

> I just did a restore of a backed up Samba DC and as feared, I'm running
> into issues that have kept me for hours on this already.
>
> Everything seems fine at first sight. The daemon (samba-ad-dc, 4.10, on
> Ubuntu Bionic) starts properly and without error messages in any log, even
> with increased level 3. Most of the typical testing and troubleshooting
> commands give the correct output.
>
> Specifically, all the host commands mentioned in the wiki work, so
> (internal) DNS seems to work fine. kinit and klist work, too, so I guess
> Kerberos is set up correctly. What doesn't seem to work fully, however, is
> the file server.
>
> I can run
>
> smbclient -L DC1 -U%
>
> just fine. But when I switch DC1 for localhost, I get an error message.
>
> Connection to localhost failed (Error NT_STATUS_CONNECTION_REFUSED)
>
> I'm not sure if it matters, but no matter if I choose localhost or DC1, it
> also says "Unable to initialize messaging context". I couldn't find a clear
> reference as to what this means.
>
> What I further noticed is that I cannot seem to access "DC1" from other
> stations. I can ping the address 192.168.1.1, but running "nslookup DC1"
> gives an error
>
> ** server can't find dc1: SERVFAIL
>
> It seems to me as if most of the DC is working fine but one element is
> screwed up. Hopefully someone can guide me in the right direction to solve
> this.
>
> /etc/samba/smb.conf
> [global]
> workgroup = SAMDOM
> realm = SAMDOM.EXAMPLE.COM
> netbios name = DC1
> server role = active directory domain controller
> dns forwarder = 8.8.8.8
> idmap_ldb:use rfc2307 = yes
> interfaces = eth0
> bind interfaces only = Yes
> tls enabled = no
>         log level = 3
>
> [netlogon]
> path = /var/lib/samba/sysvol/samdom.example.com/scripts
> read only = No
> acl_xattr:ignore system acls = yes
>
> [sysvol]
> path = /var/lib/samba/sysvol
> read only = No
> acl_xattr:ignore system acls = yes
>
> /etc/hosts
> 127.0.0.1 localhost
> 192.168.1.1 dc1.samdom.example.com dc1
>
> /etc/hostname
> DC1
>
> /etc/resolv.conf
> nameserver 192.168.1.1
> search samdom.example.com
>
>
>
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