Help with Samba4 as a DC

Scott Jordahl scott at
Sun Aug 21 12:02:21 MDT 2011

Really??  No one can help me out here? Please at least answer the 
question regarding DNS being  required on the secondary DC (Samba4). 
I'll go from there and will provide the additional documentation for the 
"Samba4 as a DC". Now, if DNS is NOT mandatory, then I have some bug 
reporting to do. Actually, I'll need to submit a bug regardless. The 
samba process should not PANIC but exit gracefully or generate a 
reasonable error message if DNS is missing.

-- Scott

> I'm confused on how the "Samba4 as a DC" setup is suppose to be
> configured. I have an existing Win2k3 server acting as the main AD
> (along with DHCP+DNS), I have installed samba4 alpha16 on a Ubuntu
> 10.04LTS x64 based system. Since the Win2k3 system is providing DNS, I
> figured I didn't need to worry about DNS on the Ubuntu system. This,
> apparently, is not the case as I get PANICS in talloc any time I try to
> do a wbinfo and samba's RPC dies. Actually, samba's RPC dies randomly
> without notice and things "kind-of" work (eg - file share are still
> accessible, but you cannot modify file/folder security settings).
> Following the instructions on "Samba4/HOWTO/Join a domain as a DC", none
> of the needed bind9 component are generated (eg -  dns.keytab,
> named.conf, etc). I'm not clear on how to generate these from scratch
> and what the named.conf file should look like on the Ubuntu server. Any
> help would be appreciated. Of course, I'm hoping that this is what the
> issue is and that I don't have some other problem going on.
> Thanks,
> -- Scott

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