1

Coexistence with Previous Microsoft Exchange Server Versions

• Preparation of Exchange Server Environments

• Upgrade and Migration Strategies

2

Preparation of the Exchange Server Environment

• Preparing the Microsoft Windows environment

• Upgrading the operating system

• Configuring the Active Directory Connector (ADC)

3

Preparing the Windows Environment

• Upgrading the primary domain controller

• Using the Active Directory Migration Tool

• Changing the Exchange 5.5 Lightweight Directory Access Protocol (LDAP) TCP port

4

Exchange 5.5 Lightweight Directory Access Protocol (LDAP) Port Number

5

Upgrading the Operating System

• Microsoft Windows 2000 Advanced Server

• Microsoft Windows 2000 Service Pack 1

6

The Active Directory Connector (ADC) with a Connection Agreement

7

Upgrade Strategies

• In-place upgrade

• Move-mailbox upgrade

8

In-Place Upgrade

• Database conversion issues

• Dedicated server configuration

• Upgrade prerequisites

9

Move-Mailbox Upgrade

• Leapfrog upgrade

• Join an existing site

10

Leapfrog Upgrade

11

Automatic Redirection of Outlook Clients

12

Upgrade Order

• Database servers

• Bridgehead servers

• Servers with unsupported connectors

13

Managing Exchange Server in Mixed Mode

• Use the Exchange System snap-in to manage Microsoft Exchange 2000 Server.

• Use the Exchange Administrator to manage Microsoft Exchange Server 5.5.

• Use Active Directory Users and Computers to manage all mailboxes.

14

Mixed Mode Directory Replication

15

Server Communication and Message Transfer in Mixed Mode

16

Microsoft Outlook Web Access

17

The Mode Change

18

Active Directory Cleanup Agent

19

Chapter Summary

• Preparation of Exchange Server Environments

• Upgrade and Migration Strategies