samba - Jul 2019 - Cleanup after site deleted

Some time ago I created two sites in AD using RSAT tools.    Recently the need
for these separate sites has gone, so I removed all
the servers and workstations etc from these sites and put them back into
'Default-First-Site-Name' and deleted the sites.   I have
just noticed that the DNS Manager is still showing one of the sites remaining
(the other has disappeared).   Whilst it is possible
to delete the individual entries, the site hierarchy remains, and attempting to
delete the <site-name> using DNS Manager results in
"The DNS domain cannot be deleted.   This function is not supported on this
system.".  For example:

<server>
|_Forward Lookup Zones
     |_<dns-domain>
         |_ _sites
             |_<site-name>
             |   |_ _tcp
             |
             |_Default-First-Site-Name


etc.      Shouldn't samba clean up after itself?     How can this be cleaned
up manually?

Many thanks,

Roy

On 29/07/2019 13:44, Roy Eastwood via samba wrote:
> Some time ago I created two sites in AD using RSAT tools.    Recently the
need for these separate sites has gone, so I removed all
> the servers and workstations etc from these sites and put them back into
'Default-First-Site-Name' and deleted the sites.   I have
> just noticed that the DNS Manager is still showing one of the sites
remaining (the other has disappeared).   Whilst it is possible
> to delete the individual entries, the site hierarchy remains, and
attempting to delete the <site-name> using DNS Manager results in
> "The DNS domain cannot be deleted.   This function is not supported on
this system.".  For example:
>
> <server>
> |_Forward Lookup Zones
>       |_<dns-domain>
>           |_ _sites
>               |_<site-name>
>               |   |_ _tcp
>               |
>               |_Default-First-Site-Name
It looks to me that '<site-name>' has a child (tcp) and you cannot
delete an object if it has a child.
>
>
> etc.      Shouldn't samba clean up after itself?     How can this be
cleaned up manually?
Does Windows clean up after itself ?

Try deleting the child.

Rowland

Thanks Rowland,

On 29/07/2019 14:04, Rowland penny wrote:
> On 29/07/2019 13:44, Roy Eastwood via samba wrote:
> > Some time ago I created two sites in AD using RSAT tools.    Recently
the need for these separate sites has gone, so I removed
all
> > the servers and workstations etc from these sites and put them back
into 'Default-First-Site-Name' and deleted the sites.   I
have
> > just noticed that the DNS Manager is still showing one of the sites
remaining (the other has disappeared).   Whilst it is
possible
> > to delete the individual entries, the site hierarchy remains, and
attempting to delete the <site-name> using DNS Manager results
in
> > "The DNS domain cannot be deleted.   This function is not
supported on this system.".  For example:
> >
> > <server>
> > |_Forward Lookup Zones
> >       |_<dns-domain>
> >           |_ _sites
> >               |_<site-name>
> >               |   |_ _tcp
> >               |
> >               |_Default-First-Site-Name
> It looks to me that '<site-name>' has a child (tcp) and you
cannot
> delete an object if it has a child.
> >
> >
> > etc.      Shouldn't samba clean up after itself?     How can this
be cleaned up manually?
> 
> Does Windows clean up after itself ?
>
Don't know - never used sites in a-Windows-only AD.
 
> Try deleting the child.
Sorry, I should have been more explicit, I deleted the entries under the child
(_tcp) eg the _gc, _kerberos & _ldap SRV entries,
then tried to delete the _tcp child entry to work up the tree.   However, since
I posted the first message in this thread, I ran
"samba-tool dbcheck --cross-ncs --fix" and it found (and fixed)
deleted entries.    I have checked DNS Manager again and the branch
has been removed from the <dns-domain> zone.   The other zones, eg
DomainDNSZone and the ForestDNSZone (where I didn't delete the
SRV entries) the <site-name> branches are still present.   I assume
therefore if I delete all these SRV entries it will get sorted.
But shouldn't they get removed automatically?   (Clearly the other site was
deleted automatically, but maybe that's because I
demoted the DC that was in that site?   Whereas I just moved the DC that was in
this site back to Default-First-Site-Name.)
> 
> Rowland
>
Thanks,
Roy