[Samba] winbind seems to hang when the DC goes down instead of switching to the other available DC

L.P.H. van Belle belle at bazuin.nl
Thu Aug 1 07:18:33 UTC 2019

This is strange and should not happen. 

Verify if all DC's are also available as NS record in the DNS on the zones. 
Startup the DNS tool. 

Goto you primary dnszone ( and repeat for all other zones ) 
Do you see all your DC's as NS record in the zone, then its ok, if not.. 

Klik and Properties on the zone, goto Tab "Nameservers", add the other dc's. 

You can also try these settings in resolv.conf

options edns0
options timeout:1
options attempts:2



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Marco Gaiarin via samba
> Verzonden: woensdag 31 juli 2019 15:41
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] winbind seems to hang when the DC goes 
> down instead of switching to the other available DC
> Mandi! Andrea Cucciarre' via samba
>   In chel di` si favelave...
> > I'm running Samba 4.9.5 as domain member, when I bring down 
> the current
> > Window DC ( the winbind seems to hang instead 
> of switching to
> > the other available DC (
> I'm experimenting the exact behaviour, using 4.8.12-1~deb9 as DM and
> samba 4.5.16+nmu-1.1~deb8 as DC.
> When i reboot a DC, and winbind is currently connected to that DC,
> winbind for a little amount of time respond 'user not found'.
> The strange things is exactly whay you say: seems that winbind 'stall'
> until the (rebooting) DC come back, then switch DC; so if, i have to
> reboot all DC, i trigger this n-times...
> -- 
> dott. Marco Gaiarin				        GNUPG 
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