AD infrastructure design question

[Guest]

I'm getting geared up for my migration from NT to AD. I have a quick design question. Here's a little background

We currently have a holding company that encompasses 3 companies on NT4 with full trusts and Exchange sites between each other. Each have their own DNS domain (i.e. domain1.com, domain2.com, domain3.com), with the holding company of holdingcompany.com.

I want to integrate the three companies into the holding company root as such

holdingcompany.com (root domain

--------- company1.com (NOT company1.holdingcompany.com

--------- company2.co

--------- company3.co

---------- ca.company3.co

Is this possible? From what I've seen and read, I can only have child domains under the root, rather than the domain trees that I want to set up. I probably haven't just read about this, since the child-domain approach is more common

Please help a fellow engineer out. I'd appreciate it!

 

[Eric Chamberlain]

Aaron,

What you want is doable. New trees are added just like child domains.

I'm getting geared up for my migration from NT to AD. I have a quick

design question. Here's a little background:

We currently have a holding company that encompasses 3 companies on NT4

with full trusts and Exchange sites between each other. Each have their own
DNS domain (i.e. domain1.com, domain2.com, domain3.com), with the holding
company of holdingcompany.com.

I want to integrate the three companies into the holding company root as such:

holdingcompany.com (root domain)
|
--------- company1.com (NOT company1.holdingcompany.com)
|
--------- company2.com
|
--------- company3.com
|
---------- ca.company3.com

Is this possible? From what I've seen and read, I can only have child

domains under the root, rather than the domain trees that I want to set up.
I probably haven't just read about this, since the child-domain approach is
more common.