[Samba] Extending the AD schema

John Gardeniers jgardeniers at objectmastery.com
Mon Sep 5 21:23:09 UTC 2016

Hi Andrew,

Thanks for the info. A backup before hand was always on the to do list. ;)

Any idea when we can expect 4.5? It's looking like this "urgent" project 
can be delayed a bit if necessary.


On 05/09/16 17:55, Andrew Bartlett via samba wrote:
> On Mon, 2016-09-05 at 10:23 +1000, John Gardeniers via samba wrote:
>> We're looking at implementing Sudoers LDAP on our Samba 4 AD domain.
>> While this worked perfectly in a test environment previously, I am
>> always extremely nervous about the possibility of stuffing things up
>> on
>> production.
>> Given a domain with multiple DCs (two in our case), should I do add
>> the
>> schema extension with all DCs on line or should one by taken off line
>> to
>> provide an emergency backup in case things go wrong? In this case
>> will
>> the schema extension reliably propagate to the DC which was off line
>> at
>> the time?
>> Way back (maybe 13 years or so ago) when I was managing a pure
>> Windows
>> AD environment I asked a similar question and received advise pretty
>> much evenly distributed between those two methods.
> I would make the change with Samba 4.5 once it comes out.  We fixed a
> lot of schema bugs with that release.
> Unlike a windows DC, making backups of and restoring just the sam.ldb
> files on a Samba DC is really easy, so do that too.
> Once you do that, online should be fine.
> Andrew Bartlett

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