Upgrading from and Coexisting with Exchange Server 2007
As you may recall from Chapter 2, the two example environments running Exchange Server 2007 are Fabrikam and Litware. Fabrikam is composed of 7,000 users and is currently running Exchange Server 2007 in a semi-distributed model; a logical view of their Exchange Server 2007 environment is illustrated in Figure 14-11.
Figure 14-11. Logical view of Fabrikam's Exchange Server 2007 environment
Litware, our second example Exchange Server 2007 environment, has 50,000 users in a regionally distributed environment; a logical view of their Exchange Server 2007 environment is shown in Figure 14-12.
Figure 14-12. Logical ...
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