Setting up AD global catalog, etc.


I'm working on setting up an whole new AD infrastructure. Here is the breakdown of what I intend to do:

Forest domains:

- corp-dc-[01,02], running Win2k8 R2. These controllers are used for the forest to join the child domains. It will be hosted in a data center in California.

Child domains:

- location1-dc-[01,02], running Wink28 R2. This is going to be child.domain joined to the forest.

- location2-dc-[01,02], running Wink28 R2. This is going to be child.domain joined to the forest.

Location 1 and 2 are offices in California in addition to one more state. While considering the setup above, I need to determine how to setup the Global catalog, Schema master and RID master to make sure that I have a good level of redundancy between all three geo locations.

I want to define the domain controller roles to make sure that each controller has role X and Y, etc.

Any thoughts?
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Mike KlineCommented:
the first thought is why do you need three domains?   The forest is the security boundary, and generally you try to start with one domain and if you absolutely need to you add other domains.

FSMO roles can only be held on one DC so you don't really have redundancy with them.  If the DC that holds them goes down hard you can seize those roles. The schema master and Domain naming masters are forest wide roles and the RID, PDCe and Infrastructure master are domain roles.

I'd always try and make every DC a GC.  I also took that lesson from a legend in the AD world...see bullet one

Will you be running DNS on your DCs.  If so make them all DNS servers.

If you go with one domain you would create sites for your locations and still have local DCs for them.


wsaniAuthor Commented:
To answer your question, more DC's because there will be multiple hands administering AD on the global level. I'm going to have two US location in addition to 4 EU locations so, to minimize and separate the location administration, I'm going to use the forest and child domains.

I will be running DNS on DCs. I was planning on running DNS on all of them.
Mike KlineCommented:
Ok then that is an decent design, splitting domains between regions like North America/Europe/Asia is definitely valid.   Not as much for security because the forest is the boundary.


Get Blueprints for Increased Customer Retention

The IT Service Excellence Tool Kit has best practices to keep your clients happy and business booming. Inside, you’ll find everything you need to increase client satisfaction and retention, become more competitive, and increase your overall success.

wsaniAuthor Commented:
Glad to hear it :) Any other thoughts on what I have?
Mike KlineCommented:
You should be ok with what you have.  
wsaniAuthor Commented:
Is it possible to have two servers as schema master though?
Mike KlineCommented:
No the schema master (or any FSMO role) can only be held on ond DC at a time

So one schema and domain naming master in the entire forest

..and one RID, PDCemulator, and Infrastructure master in each domain of the forest



Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Project Management

From novice to tech pro — start learning today.