[Samba] Domain 'resync', DC with FSMO roles LDAP troubles...

[Rowland penny]

On 07/01/2020 10:44, Marco Gaiarin via samba wrote:
> Happy new year to all!
>
>
> Samba 4.9.17 on stretch, Louis package.
>
> On 22/12, at midnight, office closed, i suffered a network outgage that 'broke in
> two' my domain.
>
> On 23/12, at 14.00, network come back. After that, some scripts written
> around ldbsearch i run on DM (against vdcsv1 that is the DC with FSMO
> roles) start to complain:
>
>   Failed to bind - LDAP client internal error: NT_STATUS_CONNECTION_DISCONNECTED
>   Failed to connect to 'ldap://vdcsv1.ad.fvg.lnf.it' with backend 'ldap': LDAP client internal error: NT_STATUS_CONNECTION_DISCONNECTED
>   Failed to connect to ldap://vdcsv1.ad.fvg.lnf.it - LDAP client internal error: NT_STATUS_CONNECTION_DISCONNECTED
>
> Roughly at 16.00 i've rebooted that DC an all come back as normal.
> Other DC worked as expected.
>
>
> Logs (apart the rotated ones ;-) say nothing. Sorry, but i was on
> vacation. ;-)
>
>
> Some hint on what could be happened?! Thanks.
>
At a guess, your FSMO DC got confused and could not replicate. If 
everything is now working correctly without errors, I would just chalk 
it up to experience ;-)

Rowland