Link to home
Start Free TrialLog in
Avatar of usmcguy
usmcguyFlag for United States of America

asked on

Domain and sub domains

So I'm building a network from scratch with Windows Server 2003 & Exchange Server 2003.  My plan is for my domains to be:

aaa:mycompany.com
bbb.mycompany.com
ccc.mycompany.com

This relates to a question I asked in the past.  So that when I setup exchange, all these networks share the same GAL.  What is the best way to achieve this?

Do I need a server setup as a root domain at mycompany.com and setup the other's as child domains?  If that is the case, is it possible to setup the root domain, and a subdomain on the same server?  I have to keep the macines I use to a minimum.  Perhaps I'm going at this wrong, and this has to do with configuring DNS differently.  

In the past I had configured 3 different domains in their own forest, but this didn't allow me to share their GAL.  Thats the ultimate goal here.  To have the 3 unique domains but all having the same GAL.

Please advise on the best way forward.
Avatar of Geodash
Geodash
Flag of United States of America image

Are your domains going to be trusted? One way, two way, etc...?

look at this article -

https://www.experts-exchange.com/questions/26441939/Sharing-Resources-and-Global-Address-List-between-2-trusted-domains.html
Avatar of usmcguy

ASKER

The domains will be trusted both ways.

I've read about IIFP in the past.  But is it the best way to go?  I was thinking that if you built your forest/domain correctly, you wouldn't need to go that route.  Am I wrong?  If not, the piece I'm missing is knowing how to setup the forest/domain correctly.  Otherwise, I would just have to setup 3 seperate forests, and use IIFP.
Avatar of Leon Fester
You don't need IIFP.

You will be running an Active Directory forest so all domains are linked.
With Exchange 2003 you can only have one Exchange Organization in the forest.
This can be achieve simply be configuring Exchange for "Using a Single Forest Topology"

Read the following:
http://technet.microsoft.com/en-us/library/bb124972(v=exchg.65).aspx
http://technet.microsoft.com/en-us/library/aa997002(v=exchg.65).aspx
Avatar of usmcguy

ASKER

Yes, this is correct. But my question remains, would I need a dc at the root of the forest hosting my company.com? Or could a dc hosting one of the other domains (aaa, bbb, or ccc) also be at the root of the forest and still maintain the DNS naming convention.
I ask because I have to keep servers use at a minimum
ASKER CERTIFIED SOLUTION
Avatar of Leon Fester
Leon Fester
Flag of South Africa image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
Avatar of usmcguy

ASKER

You pretty much answered my question.  I was more curious if there was a way to setup the forest without having to setup a domain at mycompany.com first.  But as I suspected, this isn't possible.  Thanks for the input!