[Samba] Internal DNS in 4.1.x having hiccup

[steve]

On Wed, 2014-02-12 at 14:40 +0100, Michał Półrolniczak wrote:
> We started with 4.1.0, there were few clients and Domain Controler
> worked fine.
> We started upgrading at 4.1.2 with: ./configure --enable-debug, make,
> make install on stoped samba4. We didn't notice any bad things. Curently
> we are using the 4.1.4, and can't be 100% but we started adding more and
> more people, but the dns dont respond allways.
> First it started with not responding anything (we didnt change
> anything). We had to restart samba -D. Now the DNS sometimes work
> sometimes don't . We need to setup manualy dns to the DC and then this
> sometimes work, sometimes don't and need to restart computer.

It may not be an internal DNS issue. Switch momentarily to bind:
 samba_upgradedns --dns-backend=BIND9_DLZ
Don't forget to give the bind user permission on his files in the
private directory.
See if the problem goes away. If not. . .etc. etc.
HTH
Steve