Frank,
 
 
We currently have a similar topology to yours.  All of my DC's are GC's.  There is no disadvantage to this regarding replication traffic as you are a single domain.  I would continue using your current model of every DC being a GC.
 
 
Regards,
 
Dave Chianese


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Frank Abagnale
Sent: Wednesday, December 14, 2005 5:19 AM
To: Active
Subject: [ActiveDir] Reducing number of Global Catalogs

I currently have a single domain (w2k3 FFL) with approx 40 DC's. (1 for every site) They are all configured as GC's. I have approx 3500 users
 
The WAN connection speed ranges from 512k to 2mb.
I read somewhere that having every DC as a GC is unnecessary due to the increased amounts of bandwith replication.
 
My network is not exactly the quickest and with the other apps and services I am running e.g DNS, WINS, DFS/FRS, Exchange, Sharepoint etc,
 
This has led me to think maybe I should think about reducing the number of GC's in my forest
 
Does anyone have any views on decreasing the number of GC's to DC's? What would you recommend as a comfortable number of GC's
 
Frank


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