samba - Jul 2022 - questions regarding the Demoting an Offline Domain Controller procedure

hello list,

sorry for the bump, does anybody has any information on this one?

thanks

jl

Le 06/07/2022 ? 14:15, Jean-Louis Biasini via samba a
?crit?:
> hi all,
>
> I have questions regarding a DC that I had to demote following the 
> Demoting an Offline Domain Controller procedure from here 
> https://wiki.samba.org/index.php/Demoting_a_Samba_AD_DC.
>
> 1. The procedure went well and no other problems occured, but since 
> then I have the following popping up in the log of all the remaining 
> DCs at restart:
>
> ../../source4/dsdb/kcc/scavenge_dns_records.c:491(dns_delete_tombstones)
> dns_delete_tombstones: A tombstoned dnsNode has non-tombstoned 
> records, which should not happen.
>
> How can I find and delete those remaining record? I don?t see anything 
> related to the demoted DC with rsat DNS tool nor with:
>
> ldbsearch -H /usr/local/samba/private/sam.ldb '(invocationId=*)' 
> --cross-ncs objectguid
>
> 2. the procedure states that I shouldn?t reconnect et demoted offline 
> dc, does this apply only to that specific machine? Can I declare a new 
> dc with the same name and/or ip and/or mac address (VM) or should this 
> also be avoided?
>
> samba is Version 4.15.8 on Centos7 with bind dlz as dns backend
>
>
> many thanks
>
> Jean-Louis

hello again,

 ?Can anyone here points me in the right direction?

Le 08/07/2022 ? 14:25, Jean-Louis Biasini via samba a
?crit?:
> hello list,
>
> sorry for the bump, does anybody has any information on this one?
>
> thanks
>
> jl
>
> Le 06/07/2022 ? 14:15, Jean-Louis Biasini via samba a ?crit?:
>> hi all,
>>
>> I have questions regarding a DC that I had to demote following the 
>> Demoting an Offline Domain Controller procedure from here 
>> https://wiki.samba.org/index.php/Demoting_a_Samba_AD_DC.
>>
>> 1. The procedure went well and no other problems occured, but since 
>> then I have the following popping up in the log of all the remaining 
>> DCs at restart:
>>
>>
../../source4/dsdb/kcc/scavenge_dns_records.c:491(dns_delete_tombstones)
>> dns_delete_tombstones: A tombstoned dnsNode has non-tombstoned 
>> records, which should not happen.
>>
>> How can I find and delete those remaining record? I don?t see 
>> anything related to the demoted DC with rsat DNS tool nor with:
>>
>> ldbsearch -H /usr/local/samba/private/sam.ldb
'(invocationId=*)'
>> --cross-ncs objectguid
>>
>> 2. the procedure states that I shouldn?t reconnect et demoted offline 
>> dc, does this apply only to that specific machine? Can I declare a 
>> new dc with the same name and/or ip and/or mac address (VM) or should 
>> this also be avoided?
>>
>> samba is Version 4.15.8 on Centos7 with bind dlz as dns backend
>>
>>
>> many thanks
>>
>> Jean-Louis
>