[Samba] RPC Server Unavailable - Error

[L.P.H. van Belle]

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Rowland penny via samba
> Verzonden: dinsdag 18 juni 2019 13:15
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] RPC Server Unavailable - Error
> 
> On 18/06/2019 12:02, Anantha Raghava via samba wrote:
> > Hi,
> >
> > We did not upgrade in the real sense of upgrade. We did not 
> directly 
> > apply the patch on the servers. Our steps were as follows:
> >
> You can reduce that down to 'we upgraded directly to 4.10.x 
> from 4.7.x'
> 
> Can I also suggest that you stop upgrading that way, if you 
> do it often 
> enough, you will eventually exhaust the ridpool
> 
> >
> > We have to run samba-tool dbcheck and check the output. I 
> will update 
> > it back here.
> >
> > Do I have to run this command on all 4 servers? or one server which 
> > looks like giving trouble?
> 
> You should only need to run it once on the PDC Emulator role owner, 
> replication should do the rest.
> 
> If this doesn't work, then I would suggest you start downgrading again.
If it looks if downgrading is needed, then first try to run : samba-tool dbcheck --reindex 
That might help fixing it. ( run it on every DC ) ! 

And beware the the RPC ports have changed, so do check.
https://wiki.samba.org/index.php/Samba_AD_DC_Port_Usage   Dynamic RPC Ports 


Greetz,

Louis