In a single domain forest, there is little point reducing
the number of GCs. There is only one domain partition and so DCs and GCs alike,
receive the same replication traffic.
Furthermore, Exch needs good connectivity to a GC and
clients need to contact (by default) a GC at logon, so removing GCs from the
forest should not be undertaken lightly.
my 2 penneth,
neil
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Frank Abagnale
Sent: 14 December 2005 10:19
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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