[Samba] Unable to replicate DNS

[Leonardo Boselli]

I just set a DC with samba 4.1 but the other machine that should 
syncronize the DNS (using bind) just connect and then hang.
on /var/log/samba/log.samba I have:
[2015/02/11 20:11:53.161439,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
   /usr/sbin/samba_dnsupdate: ; TSIG error with server: tsig verify failure

I looked around but the fix found did not worked or were not for this 
specific case.

even running samb_dnsupdate from the same machine the error is the same.
dote that in /var/lib/samba/private there are not the dns files
what to do ?

--
Leonardo Boselli
Dipartimento ingegneria Civile e Ambientale UNIFI
tel +39 0552758808