Additional DCs show up as Unavailable

Andrew LaPierre alapierre at
Tue Jun 2 15:27:06 MDT 2015

I just found this bug report and the mentioned "workaround" has the second
DC showing as "Online" now. Not sure how long it will last, sounded like it
will drop out if/when there's a connection interruption.

rm -r /var/log/samba/* ; service samba-ad-dc restart

Andrew LaPierre
Information Technology Director
Georgia-Cumberland Conference

On Tue, Jun 2, 2015 at 4:50 PM, Andrew LaPierre <alapierre at>

> System: Ubuntu 14.04
> Samba Version: 4.1.6-Ubuntu
> I have tried to create two additional DCs but when going to "Change Domain
> Controller" through AD Users & Computers it shows the additional DCs as
> being "Unavailable".
> I started with one that is connected over VPN, but after I couldn't figure
> out why it wasn't working I decided to make a second one locally to
> eliminate the VPN layer but I'm getting the same results. Could somebody
> point me in a direction to troubleshoot this?
> I followed the wiki on how to join a DC, and verified all the DNS settings.
> Clues I have found:
> In primary DC logs I see a bunch of these.
> Failed to bind to uuid [uuid goes here][1024,seal,krb5]
> I have verified kinit -Uadministrator and klist -e look the same when run
> from both servers.
> I have ran samba-tool drs kcc and got a successful consistency check on
> both servers.
> Thank you for your time.
> --
> Andrew LaPierre
> Information Technology Director
> Georgia-Cumberland Conference

More information about the samba-technical mailing list