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Re: [Samba] Cleaning up old DC DNS records




On Tue, 2017-09-05 at 18:39 -0400, Patrick Lepore via samba wrote:
> Hi, I demoted a running domain controller by running the samba-tool demote
> command on the running system to be demoted  and there's still some DNS
> entries for the old one kicking around.  It's still listed under _msdcs and
> also _kerberos._udp and _ldap._tcp.
> 
> Should I manually remove them?  

Yes.

> If so, is there a list of spots to look in
> for DNS entries of old DCs?

The remove-other-dead-server option looks for records pointing at the
AD record of the demoted DC.

> Also, does the fact that these entries weren't removed indicate I had
> something misconfigured on the to-be-removed system or I screwed up the
> demotion procedures?

No.

If you used the --remove-other-dead-server option, it would have
removed them.  The online removal isn't as complete.

I've scoped out the work (on behalf of a client) to make the dynamic
records expire, to have a cleanup and to make the online cleanup more
thorough, but for now that is how it is.

Sorry,

Andrew Bartlett

-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba


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