[Samba] after a couple of year of success is not possible to add workstations to domain

[Denis Cardon]

Hi Massimo,

> Il 05/02/2018 16:41, Rowland Penny ha scritto:
>> On Mon, 5 Feb 2018 16:01:27 +0100
>> "Massimo Donato - Adcom.it via samba" <samba at lists.samba.org> wrote:
>>
>>> */Hi all,
>>>      after a couple of year of successfully working samba AD DC is
>>> not possible to add workstations to domain
>>> since a few day ago in windows i get a messagge complaining that the
>>> account previously exists. ant that to try access with a different
>>> account. after some investigation i found that the backupDC  was in
>>> hardware fault. the primary seems to work great, but still unable to
>>> add workstation to domain.
>>> seems like something is missing,
>>> samba version is 4.7.4(upgraded during investigation)
>>>
>>> any advice ? where to look ?
>>>
>> One of the problems here is that you are thinking in terms of 'primary'
>> and 'backup' DCs. You haven't got a 'primary' DC or a 'backup' DC, you
>> just have two DCs and they should both contain exactly the same data in
>> AD. Problem is, when your second DC became faulty, it may have
>> corrupted AD on the DC and then replicated this corruption to the
>> first DC.
>>
>> I would turn off the faulty DC (if it is still running), demote the
>> dead DC and then run 'samba-tool dbcheck'
>>
>> But, before I tried to do anything, I would ensure that the first DC
>> was fully backed up.
>>
>> Rowland
>>
>>
> thank you Rowland for your answer.,
> i understend what you mean regarding DC, there was just two dc.
> the faulty DC is no more in our datacenter(disk dead)
> so i have one DC that is corrupted, i have a backup, but only after
> corruption.
> dbcheck is good, even with ncs option, 0 errors
> any other advice to check ?

which server is/was the RID FSMO role owner?

Denis

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Denis Cardon
Tranquil IT Systems
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