RE: [ActiveDir] Forest prep/domain prep in a MT root Domain

Tue, 11 Oct 2005 19:35:38 -0700

Title: RE: [MVP-Directory Services] October MVP Awards
Yes.  How I stumbled upon this was trying to figure out why topology discovery on an Exchange server in a child domain wouldn't include the DCs and GCs from the root domain.  I think it was Al who pointed me to the blog link that showed the requirement for DomainPrepping the root and for running a domain RUS in the root.  I had done the DomainPrep, but did not have a domain RUS for the root.
 
Another thing I hadn't fully appreciated before looking at that issue was that DSAccess will potentially use DCs from a different domain.  This goes for both the Config DC and the list of working DCs.  This is because it reads/writes information from/to the configuration partition, which is available on all DCs in the forest.  So if you have a site that has an Exchange server from DomainA in the same site as a DC/GC from DomainB, DSAccess will potentially use that DC/GC for everything it needs.  At least that's my understanding.
 
Tony

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of joe
Sent: Wednesday, 12 October 2005 12:59 p.m.
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Forest prep/domain prep in a MT root Domain

Ah thanks.
 
So the recommendation should be, run domainprep in any domain that has GCs that may possibly be used by Exchange. That makes sense to me as that is a real requirement.
 
 
   joe
 

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tony Murray
Sent: Tuesday, October 11, 2005 5:50 PM
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Forest prep/domain prep in a MT root Domain

It's so that the GCs in the root domain are available to DSAccess.
 
 
Tony

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of joe
Sent: Wednesday, 12 October 2005 10:08 a.m.
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Forest prep/domain prep in a MT root Domain

Why? I have read this before and couldn't pick up a reason for it other than "just do it...".
 
  joe

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tony Murray
Sent: Tuesday, October 11, 2005 3:33 PM
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Forest prep/domain prep in a MT root Domain

And you should always DomainPrep the forest root, irrespective of whether it contains Exchange servers or recipients....
 
Tony

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ed Crowley [MVP]
Sent: Wednesday, 12 October 2005 7:02 a.m.
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Forest prep/domain prep in a MT root Domain

It doesn't matter in which domain you run ForestPrep, so you might as well run it in the domain in which you're installing the Exchange servers.  You must run DomainPrep in any domain in which Exchange servers or recipients will reside, which usually means every domain in the forest.

Ed Crowley MCSE+Internet MVP (Exchange)
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!™

 

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Strongosky
Sent: Tuesday, October 11, 2005 8:50 AM
To: ActiveDir@mail.activedir.org
Subject: [ActiveDir] Forest prep/domain prep in a MT root Domain

Hey everyone, long time reading here....I'm confused as I'm new to AD and doing my research for our conversion......so here is my question we are gong to have an MT root domain and a sub ( if that the correct term) domain where we are going to put exchange, let call the root domain "AD.sdccd" and the sub domain admin.
 
What is the proper procedure for running Forest prep and Domain Prep? From all my reading I don't think I run forest prep on the sub domain but do run domain prep on the MT root and on the sub domain. Am I correct....
 
 
john
 

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