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Re: [Samba] samba-tool domain schemaupgrade fails on DC member




Thanks Rowland and Garming for your help!!

How about "another DC", or 'a second DC' ?


Ok. Got it! :D

Alternatively, re-joining the domain controller (or joining a new DC and
> demoting the old one) probably works because I believe there is code to
> handle this case.


I re-joined (remove secrets.tdb and .lbd, copy idmap from existing DC...)
and now works properly!

Raise the level for 2012_R2 already working?

On Tue, Apr 16, 2019 at 9:28 PM Garming Sam <garming@xxxxxxxxxxxxxxx> wrote:

> Hi,
>
> This is a known issue:
>
> https://bugzilla.samba.org/show_bug.cgi?id=12204
> https://bugzilla.samba.org/show_bug.cgi?id=13713
>
> There are currently patches in master to fix this issue. We could
> probably backport a patch to 4.10, but you'd have to rebuild Samba.
>
> Alternatively, re-joining the domain controller (or joining a new DC and
> demoting the old one) probably works because I believe there is code to
> handle this case.
>
> There's not really any rollback of this code besides keeping a backup.
> Schema updates build on top of each other and once you're at a certain
> level you can't undo them, neither on Windows.
>
> Cheers,
>
> Garming
>
> On 17/04/19 6:58 AM, Elias Pereira via samba wrote:
> > Hello,
> >
> > I upgrade the schema for our main ADDC and everything works properly, but
> > the member DC (DC to an Existing AD) fails.
> >
> > Both servers are in version 4.10.2
> > Distro: Debian 9.8
> >
> > *Main ADDC:*
> >
> > [2019/04/16 15:43:03.814846,  0]
> >
> ../../source4/rpc_server/drsuapi/getncchanges.c:2919(dcesrv_drsuapi_DsGetNCChanges)
> >   ../../source4/rpc_server/drsuapi/getncchanges.c:2919: DsGetNCChanges
> 2nd
> > replication on different DN DC=campus,DC=sertao,DC=ifrs,DC=edu,DC=br
> > CN=Schema,CN=Configuration,DC=campus,DC=sertao,DC=ifrs,DC=edu,DC=br
> > (last_dn
> >
> CN=ms-DS-cloudExtensionAttribute14,CN=Schema,CN=Configuration,DC=campus,DC=sertao,DC=ifrs,DC=edu,DC=br)
> >
> > *Member DC:*
> >
> > [2019/04/16 15:42:55.703281,  0]
> >
> ../../source4/dsdb/repl/replicated_objects.c:248(dsdb_repl_resolve_working_schema)
> >   Can't continue Schema load: didn't manage to convert any objects: all 1
> > remaining of 133 objects failed to convert
> > [2019/04/16 15:42:55.703619,  0]
> >
> ../../source4/dsdb/repl/replicated_objects.c:361(dsdb_repl_make_working_schema)
> >   ../../source4/dsdb/repl/replicated_objects.c:361:
> > dsdb_repl_resolve_working_schema() failed: WERR_INTERNAL_ERRORFailed to
> > create working schema: WERR_INTERNAL_ERROR
> >
> > Is there any way to fix this problem?
> >
> > dumb question: Can I roolback the schemaupgrade? :D
> >
>


-- 
Elias Pereira
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