[Samba] Windows 10 clients unable to work on domain after update of windows (on client) and samba on dc

[Fabio Fantoni]

Il 17/08/2023 10:52, Rowland Penny ha scritto:
> On Thu, 17 Aug 2023 10:25:39 +0200
> Fabio Fantoni via samba <samba at lists.samba.org> wrote:
>
>> Hi, update after other tests:
>>
>> The samba_dnsupdate issue above was because on this dc there was
>> itself as first dns in /etc/resolv.conf but as not pdc anymore fails
>> to update dns record, after set new pdc as first dns server in
>> resolv.conf worked. is it correct that samba_dnsupdate works only
>> with pdc?
> No, it isn't correct, samba_dnsupdate is supposed to run on all DCs, in
> fact it runs every 10 minutes.
> Each DC is supposed to use itself as its first nameserver, by changing
> that to another DC, your DC is now using that DC and is probably making
> all changes on it, which may, or may not, replicate back.
>
>> Another issue solved was not related to samba
>>
>> Remain the netlogon and sysvol share not accessible from windows 10
>> client using the filemanager, group policy are still working anyway;
>> I not understand why these share are not accessible, someone know the
>> cause please?
>>
> Because you have problems other than the samba_dnsupdate one, it looks
> like you may have database problems, have you tried running
> 'samba-tool dbcheck' ?
>
> If all else fails, I suggest you demote this DC (provided that the
> other DC doesn't have any problems) and then join another one.
>
> Rowland

thanks for reply

I already did any time before/after update, tests issue etc... these:

samba-tool ntacl sysvolcheck
samba-tool dbcheck --cross-ncs
samba-tool drs showrepl

no error on sysvol and replication

dbcheck don't show errors but only minor things like this:

...

NOTE: old (due to rename or delete) DN string component for 
lastKnownParent in object 
DC=@\0ADEL:c4493523-6c32-4884-b38a-316f8278dce0,CN=Deleted 
Objects,DC=DomainDnsZones,DC=m2r,DC=local - 
DC=duckdns.org,CN=MicrosoftDNS,DC=DomainDnsZones,DC=m2r,DC=local
Not fixing old string component
Checked 3646 objects (0 errors)

that I suppose can be ignored, right?

I should remove it and replace with a windows server as my employer 
wants but failed all attemps to add windows servers (major of tests with 
2008R2 and some with 2012R2) as dc for now, seems missed to complete 
first replication for missing of DFS-R and I was unable to fix it also 
manually enabling sysvol on windows and copy content from samba dc.


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