This Exchange Server 2007 Transition Guide will step you through the process of transitioning your existing Exchange Server 2003 organization to Exchange Server 2007.

This guide specifically deals with a simple one-to-one transition from a single legacy Exchange server to a single Exchange Server 2007 server running the “typical” roles of Client Access, Hub Transport, and Mailbox Server.

Table of Contents

1. Preparing for Exchange Server 2007
   • Preparing for an Exchange Server 2007 Transition
   • Preparing a new server for Exchange Server 2007
2. Installing and Configuring Exchange Server 2007
   • Installing Exchange Server 2007
   • Configuring the Product Key
   • Configuring the Client Access Server
   • Configuring the Hub Transport Server
   • Configuring the Mailbox Server
3. Migrating Exchange Remote Access
   • Configure SSL Certificates
   • Publish Outlook Web Access on the ISA Server 2006 Firewall
4. Migrating Email Routing
   • Publish Incoming SMTP to Exchange Server 2007
   • Route Outbound Email through Exchange Server 2007
5. Migrating Mailboxes
6. Migrating Public Folders
7. Removing Legacy Servers
   • Move the Offline Address Book
   • Remove Public Folder and Mailbox Databases
   • Move the Public Folder Heirarchy
   • Remove the Recipient Update Services
   • Remove Routing Group Connectors
   • Uninstall Exchange Server 2003
8. Completing the Transition
   • Upgrade Email Address Policies
   • Upgrade Address Lists

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