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Deploying a Large Exchange Organization

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007

Topic Last Modified: 2006-12-06

If you are deploying a large Microsoft Exchange Server 2007 organization, you can use this topic to guide you through the planning and deployment information you will need to deploy Exchange. This topic includes links to the relevant information for a typical large Exchange organization.

For information about deploying a simple Exchange organization, see Deploying a Simple Exchange Organization.

For information about deploying a standard Exchange organization, see Deploying a Standard Exchange Organization.

For information about deploying a complex Exchange organization, see Deploying a Complex Exchange Organization.

Of the four defined organization models for Exchange 2007, the large Exchange organization is the largest organization model that can be deployed in a single Active Directory directory service forest environment. The distinguishing characteristics of the large Exchange organization include:

Five or more routing groups, or five or more Active Directory sites that have at least one Exchange server deployed. Multiple locations and Active Directory sites introduce the multi-site routing protocol and role discovery algorithms, as well as a requirement to use IP site links.

Note:
Multiple routing groups will exist only in a large Exchange organization that includes Exchange 2007 and either Exchange Server 2003 or Exchange 2000 Server, or both Exchange 2003 and Exchange 2000. In a pure Exchange 2007 environment, all servers belong to a single routing group.

A single Active Directory forest. The introduction of a second or subsequent forest, or the introduction of directory synchronization tools, such as Microsoft Identity Integration Server (MIIS), automatically redefines the topology as a complex Exchange organization. For more information about complex Exchange organizations, see Planning for a Complex Exchange Organization.
The Service Delivery Location (SDL) and Client Service Location (CSL) reside in multiple physical locations, and there is often greater separation between them than in the standard Exchange organization.
Although in this topology, the Exchange organization includes multiple points of presence, the external messaging and client protocol-specific namespaces are common across most or all locations.

For a detailed description of the large Exchange organization, see Planning for a Large Exchange Organization.

What's New

Before you start the actual planning phase of your deployment, you should understand the new features of Exchange 2007 so that you can choose which features to deploy in your organization. The following topics describe the new features that are important for a large Exchange organization:

Planning

Before installing Exchange 2007, it is important that you plan your Exchange organization carefully. The following topics will guide you through the planning process for a large Exchange organization:

Planning and Architecture

Deployment

After planning your Exchange organization, you are ready to deploy. There are three phases of deployment: preparation, installation, and post-installation. The following topics will guide you through the preparation phase:

The following topics will guide you through the installation phase:

The following topics will guide you through the post-installation phase:

To ensure that you are reading the most up-to-date information and to find additional Exchange Server 2007 documentation, visit the Exchange Server TechCenter.

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