Sizing Client Access Servers
Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2
It's very important that you estimate your Microsoft Exchange Server 2010 Client Access server capacity needs when you plan the deployment of your Exchange 2010 organization. The Client Access server is the entry point for all users. In addition, the Client Access server hosts important services that are used by the other Exchange server roles.
For information about the relative CPU weights of different protocols on the Client Access server, see White Paper: Understanding the Relative Costs of Client Access Server Workloads In Exchange Server 2010.
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