Global Catalog Connections

Posted on 2011-10-07
Last Modified: 2013-02-16
We have about 25 branch location, which each location has a Windows DC configured as a Global Catalog server.  At the OPS center we obviusly have the Exchange server and a DC/GC.  Using TCPView, we have noticed that when we open Outlook it establishes a connection to one of our branch servers instead of our local server.  I am assuming this is a connection to the remote Global Catalog service.  Why would it be connecting to a remote server instead of the local, and how can we make sure all clients connect to their local GC server?

Question by:NDaZone
    LVL 1

    Accepted Solution

    Hi, you need to bind subnets in sites and services to make sure clients do not coross boundirs to resolve this.
    LVL 14

    Assisted Solution


    it's very important you define a site topology in order to fix this, normally you add all the subnets your using in sites and services and then allocate these subnets to a site. By default all subnets belong to the default_first_site_name site and you get the kind of behaviour your experiencing.

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