Microsoft Exchange Server 2003 Deployment Guide- P28 potx

Upgrading from Mixed Exchange 2000 and Exchange 5.5 Organizations This topic provides instructions for upgrading from a mixed Microsoft® Exchange 2000 Server and Exchange Server 5.5 or

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Upgrading from Mixed Exchange 2000 and Exchange 5.5

Organizations

This topic provides instructions for upgrading from a mixed Microsoft® Exchange 2000 Server and Exchange Server 5.5 organization to an

Exchange Server 2003 organization Furthermore, because it is

recommended that you run your new Exchange Server 2003 organization

in native mode, this topic discusses the advantages of native mode and provides instructions for switching from mixed mode to native mode

Specifically, this topic will:

 Provide you with the information necessary to upgrade your

Exchange 2000 Server and Exchange Server 5.5 organization to

Exchange Server 2003

 Provide you with information about running Exchange Server 2003 Deployment Tools

 Show you how to use the Active Directory Tool

 Show you how to run ForestPrep

 Show you how to run DomainPrep

 Show you how to upgrade your Exchange 2000 Servers to

Exchange Server 2003

 Provide you with the information necessary to install a new

Exchange Server 2003 server

Note:

You can install a new Exchange Server 2003 server before upgrading your existing Exchange 2000 Servers It is not necessary that you

perform the upgrade first

 Provide you with the information necessary to migrate your

Exchange Server 5.5 mailboxes and public folders to Exchange Server

2003

 Provide you with information about how to switch your Exchange

organization from mixed mode to native mode

Permissions for Upgrading from Mixed Exchange 2000 Server and Exchange 5.5 Organizations

After ensuring that your organization meets the necessary prerequisites, the procedures referenced in this topic guide you through the deployment process

Table 1 lists the required permissions or roles for the procedures

referenced in this topic

Table 1 Procedures referenced in this topic and corresponding permissions

Enable Microsoft Windows®

2000 Server or Microsoft Windows

Server™ 2003 services

 See Windows 2000 or Windows Server 2003 Help

Procedure Required permissions or roles

Run ForestPrep on a domain

controller (updates the Microsoft

Active Directory® directory service

schema)

 Enterprise Administrator

 Schema Administrator

 Domain Administrator

 Local Machine Administrator

Run DomainPrep  Domain Administrator

 Local Machine Administrator

Install Active Directory Connector

(ADC)

 Enterprise Administrator

 Schema Administrator

 Domain Administrator

 Local Machine Administrator

Procedure Required permissions or roles

Install Exchange 2003 on the first

server in a domain

 Exchange Full Administrator role applied at the organization level

 Exchange 5.5 Administrator under the organization, site, and configuration nodes (if installing into

an Exchange 5.5 site)

 Local Machine Administrator

Install Exchange 2003 on additional

servers in the domain

 Exchange Full Administrator role applied at the administrative group level

 Exchange 5.5 Site Administrator (if installing into an Exchange 5.5 site)

 Local Machine Administrator

Procedure Required permissions or roles

Upgrade an Exchange 2000 Site

Replication Service (SRS) server to

Exchange Server 2003

 Exchange Full Administrator role applied at the organization level

 Local Machine Administrator

 Exchange 5.5 service account password

Upgrade to Exchange 2003 on an

Exchange 2000 server in a domain

 Exchange Full Administrator role applied at the organization level

 Local Machine Administrator

For more information about managing and delegating permissions and user and group authorities, see the Exchange Server 2003 Administration

Exchange Server 2003 Security Considerations

Before installing Exchange Server 2003 in your organization, it is

important that you are familiar with your organization's security

requirements Familiarizing yourself with these requirements helps ensure that your Exchange Server 2003 deployment is as secure as possible For more information about planning Exchange Server 2003 security, see the following guides:

Exchange Server Deployment Tools

The Exchange Server Deployment Tools are tools and documentation that help with the upgrade and migration of your Exchange 2000 Server and Exchange Server 5.5 organization To ensure that all of the required tools and services are installed and running properly, you are required to run Exchange Server 2003 Setup through the Exchange Server

Deployment Tools

For detailed steps, see How to Start the Exchange Server Deployment

Note:

You must download the latest version of the Exchange Server

Deployment Tools before you run them To receive the latest version of the tools, see the Downloads for Exchange 2003 Web site

After you start the tools and specify that you want to follow the process

for Coexistence with Mixed Mode Exchange 2000 Server and

Exchange Server 5.5, you are provided with the following options:

 Upgrade Active Directory Connector servers

This option includes a checklist for upgrading your ADC servers This checklist includes the following steps:

 Run ForestPrep

 Run DomainPrep

 Run ADC Setup

 Run ADC Tools

 Update ADC version on all servers before you upgrade your

Exchange 2000 servers

 Install or Upgrade the First Exchange Server

This option includes a checklist for installing or upgrading to

Exchange Server 2003 This checklist includes the following steps:

 Verify that your organization meets the specified requirements

 Remove unsupported components

 Run the DCDiag tool

 Run the NetDiag tool

 Run Exchange Setup

With the exception of running the DCDiag and NetDiag tools, each of these installation steps is detailed later in this topic (it is recommended that you run the DCDiag and NetDiag tools on every server on which you plan to install Exchange Server 2003) Moreover, the remaining sections

in this topic provide information about the concepts and considerations

involved in migrating from Exchange Server 5.5 to Exchange Server

2003

System-Wide Requirements for Exchange 2003

Before you install Exchange Server 2003, ensure that your network and servers meet the following system-wide requirements:

 You have Windows 2000 Server Service Pack 3 (SP3) or Windows Server 2003 Active Directory

 Each Exchange Server 2003 server has access to a Windows global catalog server that is no more than one Active Directory site away

 You have Domain Name System (DNS) and Windows Internet Name Service (WINS) configured correctly in your Windows site

 You backed up your Exchange Server 5.5 databases, and backed up your servers running Windows 2000 or Windows Server 2003

For more information about Windows 2000 Server, Windows

Server 2003, Active Directory, and DNS, see the following resources: