Same goes.  This is a relatively new topic for me.

To answer a few questions, the configuration is an empty root domain and
three child domains.  The extensions we are looking at are for Windows 2003,
Exchange 2003, and SMS 2003.  :)

Now Joe you mentioned something regarding taking a snapshot of changes in
LDIF format.  How exactly does this get achieved?  Thanks!

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Fugleberg, David A
Sent: Friday, January 30, 2004 3:24 PM
To: [EMAIL PROTECTED]
Subject: RE: [ActiveDir] schema updates

Joe - care to elaborate on the error that didn't become obvious until it
replicated ?  I'm just curious what to watch for - maybe I'll add some steps
to my schema change testing process...
Dave

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of joe
Sent: Friday, January 30, 2004 9:07 AM
To: [EMAIL PROTECTED]
Subject: RE: [ActiveDir] schema updates


Darn Vendors!!! Of course we could always crutch this by creating a Schema
diff file, snap the schema, update the schema, diff it, generate the ldif
ourselves. Not recommending that to anyone but is something I have been
thinking about. 

While we are on the topic of schema updates, one other recommendation I have
is...

The idea of having a DC off on its own that you do the change on is a great
idea. The initial idea was off on its own off the network, then it was off
in its own site with real long period of time for the site link (not greater
than a week though or it is ignored). The next step in this idea/method is
to put multiple servers in that site. That way you make the changes and then
they go to a small group of a couple of servers and you watch for errors on
ALL of them. We had an error in our last update that didn't become obvious
until it replicated. 

Also my next schema update I think I will coax the schema partition
replication through the system specifically by hand to see if it goes any
faster via repadmin (or possibly joeware) forced connection/partition
replication. 

  joe
 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tony Murray
Sent: Friday, January 30, 2004 9:47 AM
To: [EMAIL PROTECTED]
Subject: RE: [ActiveDir] schema updates

I completely agree with you Joe.  I've been hassling vendors left, right and
centre to provide LDIF files for schema extensions.  Unfortunately, noone
appears to listen.  The most recent extensions I've tested have been from MS
(SMS 2003) and HP (Managed Objects), both of which fail to provide LDIFs.
If we can't get the big boys to provide them, what hope do we have with the
smaller vendors.

VMWare with its snapshot facility is great for testing schema updates.
(Except for when you click the Revert button just next to Snaphot by
accident - something I've done more than once!)

Tony

---------- Original Message ----------------------------------
Wrom: PWIGYOKSTTZRCLBDXRQBGJSNBOHM
Reply-To: [EMAIL PROTECTED]
Date:  Fri, 30 Jan 2004 09:24:21 -0500

I will debate this one... :op
 
First no one should put in anything they don't completely trust. I allowed
that to happen once and now I have a bunch of attributes/objects out there
that have nothing to do with anything and almost certainly won't be used
because the people driving it didn't have a clue what they were doing but
had enough weight (at the time) to force the issue. Now I have them as an
example to give me weight for any other people whom I don't trust.
 
Schema changes are one thing that should be worked and reworked and reworked
in the lab until you are sure of the outcome. Pulling a live copy of
production into a disconnected lab for this is invaluable and in my view an
absolute requirement. 
 
Unless you find something that is an absolute "it must go in this specific
order" because of issues you have seen, try to put them all together and not
have the schema cache update until it hits the end. 
 
If people give you programs to run instead of LDIF files, beat on the vendor
as that is very bad on their part - Hear me MS, W2K3 forest prep pissed me
right the [EMAIL PROTECTED] off. 
 
Anyway, take the LDIFs and pull the schema cache update entries out and tie
them all together and try it in the lab to make sure everything goes well.
 
Note this is an OUTSTANDING place to use Virtual machines. 
 
  joe
 
 

  _____  

Wrom: KHJYFMYXOEAIJJPHSCRTNHGSWZIDREXCAX
[mailto:[EMAIL PROTECTED] On Behalf Of Roger Seielstad
Sent: Friday, January 30, 2004 7:37 AM
To: '[EMAIL PROTECTED]'
Subject: RE: [ActiveDir] schema updates



To me it depends if you're stacking like or unlike schema updates. For
instance, with Exchange 2000 there are 2 sets of updates - the ADC and the
Exchange proper ones. I'd stack those any day.

Now - if you're talking custom schema stuff, or extensions from companies
you don't completely trust, then maybe staggering them makes more sense.

The real question is are schema updates queued into the regular replication
interval or does the schema update process itself force replication?

--------------------------------------------------------------
Roger D. Seielstad - MTS MCSE MS-MVP
Sr. Systems Administrator
Inovis Inc. 

>  -----Original Message-----
> Wrom: ZOWCONEUQZAAFXISHJEXXIMQZUIVOTQNQEMSFDULHPQQWOYIY
mailto:[EMAIL PROTECTED] 
> Sent: Friday, January 30, 2004 12:39 AM 
> To:   [EMAIL PROTECTED] 
> Subject:      [ActiveDir] schema updates 
> 
> Sorry if this has come up before (haven't seen it hit the list). 
> 
> We have some schema updates to do... but was curious whether stacking 
> them up back to back was a very good idea since they all require full 
> gc syncs.  We've tested the extensions individually in the lab, and 
> they all act fine... any comments on why you should or should not do 
> this?  :-)



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