Microsoft Exchange Server 2003 Deployment Guide- P28 potx

271 5. When the Are you sure you want to delete this mailbox? message appears, click Yes. 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. 272  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. 273  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 Procedure Required permissions or roles Enable Microsoft Windows® 2000 Server or Microsoft Windows Server™ 2003 services  See Windows 2000 or Windows Server 2003 Help 274 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 275 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 276 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 Guide. 277 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:  Planning an Exchange Server 2003 Messaging System  Exchange Server 2003 Security Hardening Guide 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 Tools. 278 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. 279  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 280 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: . 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. 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. . 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