[Samba] named will not start after upgrade of CentOS

[Marco Coli]

> On Sat, 12 May 2018 01:17:02 -0600
> "Paul R. Ganci via samba" <samba at lists.samba.org> wrote:
> 
>> Well I may have been over zealous and upgraded my Samba AD server to 
>> CentOS 7.5. After doing so the named service will not start. The
>> error message I get is:
>> 
>> May 12 00:50:55 nureyev named[11351]: Loading 'AD DNS Zone' using
>> driver dlopen
>> May 12 00:50:55 nureyev named[11351]: dlz_dlopen of 'AD DNS Zone'
>> failed May 12 00:50:55 nureyev named[11351]: SDLZ driver failed to
>> load. May 12 00:50:55 nureyev named[11351]: DLZ driver failed to load.
>> May 12 00:50:55 nureyev named[11351]: loading configuration: out of
>> memory May 12 00:50:55 nureyev named[11351]: exiting (due to fatal
>> error)
>> 
>> Everything was fine with the previous version of CentOS 7.4. If I 
>> comment out the line from /etc/named.conf
>> 
>> //        include "/var/lib/samba/private/named.conf";
>> 
> 
> Wrong 'include' line ;-)
> I think you will find that your /etc/krb5.conf starts with an 'include'
> line, remove this and your problem will go away.
> 
> Rowland

I have the same problem (no named starting after Centos Upgrade), but my
/etc/krb5.conf has no 'include' line :

[libdefaults]
	default_realm = INTRANET.MAGIGAS.LOCAL
	dns_lookup_realm = false
	dns_lookup_kdc = true

What can I do to restore named functionality?

Thank you