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Old 26-06-2009
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Join Date: Dec 2007
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How to Upgrade from Exchange 2000 Server to Exchange Server 2003

Steps to Upgrading from Exchange 2000 Server to Exchange Server 2003

After ensuring that your organization meets the necessary prerequisites, the procedures referenced in this topic guide you through the deployment process. This process includes upgrading your Microsoft Active Directory? directory service forest to the Exchange 2003 schema, and then upgrading your Exchange 2000 servers to Exchange Server 2003.

Required permissions or roles for the procedures :
  • Enable Windows 2000 Server or Windows Server 2003 services
  • Run ForestPrep on a domain controller (updates the Active Directory schema)
    • Enterprise Administrator
    • Schema Administrator
    • Domain Administrator
    • Local Machine Administrator
  • Run DomainPrep
    • Domain Administrator
    • Local Machine Administrator
  • Remove Mobile Information Server Exchange 2000 Event Source
    • Microsoft Mobility Administrator
    • Local Machine Administrator
  • Upgrade to Exchange Server 2003 on an Exchange 2000 Server in a domain
    • Exchange Full Administrator role applied at the organization level
    • Local Machine Administrator
  • Install Exchange Server 2003 on additional servers in the domain
    • Exchange Full Administrator role applied at the administrative group level
    • Local Machine Administrator

Specific Requirements for Exchange Server 2003

Before you upgrade to Exchange Server 2003, ensure that your Exchange Server 2003 servers meet the requirements that are described in this section.

Hardware Requirements

The following are the minimum hardware requirements for Exchange 2003 servers:
  • Intel Pentium or compatible 133 megahertz (MHz) or faster processor
  • 256 megabytes (MB) of RAM recommended minimum, 128 MB supported minimum
  • 500 MB of available disk space on the drive on which you install Exchange
  • 200 MB of available disk space on the system drive
  • CD-ROM drive
  • SVGA or higher-resolution monitor

Operating System Requirements
Exchange Server 2003 is supported on the following operating systems:

Windows 2000 SP3 or later
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Old 26-06-2009
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Join Date: Dec 2007
Posts: 71
Re: How to Upgrade from Exchange 2000 Server to Exchange Server 2003

Exchange 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.

Exchange Server Deployment Tools

Exchange Server Deployment Tools are tools and documentation that lead you through the entire upgrade process. To ensure that all of the required tools and services are installed and running properly, it is recommended that you run Exchange 2003 Setup through the Exchange Server Deployment Tools.

After you start the tools and specify that you want to Upgrade from Exchange 2000 Native Mode, you are provided with a checklist detailing the installation steps:
  • Verify that your organization meets the specified requirements.
  • Run the DCDiag tool.
  • Run the NetDiag tool.
  • Run ForestPrep.
  • Run DomainPrep.
  • Run Exchange Setup.

With the exception of running the DCDiag and NetDiag tools, each of these installation steps is detailed later in this topic. For more information about the DCDiag and NetDiag tools, refer to the Exchange Server Deployment Tools. It is recommended that you run the DCDiag and NetDiag tools on every server on which you plan to install Exchange Server 2003.

Using Exchange Server Deployment Tools, you can run specific tools and utilities to verify that your organization is ready to install Exchange Server 2003. If you do not want to run Exchange Server Deployment Tools, read the remaining sections in this topic for information about manually installing Exchange Server 2003.
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Old 26-06-2009
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Posts: 71
Re: How to Upgrade from Exchange 2000 Server to Exchange Server 2003

Upgrading Front-End and Back-End Servers

Pre-Upgrade Procedures

Before you begin upgrading your Exchange 2000 Server organization to Exchange Server 2003, it is important that you prepare your organization for the upgrade process. This section provides recommended and required pre-upgrade procedures.

Upgrading the Operating Systems

If you plan to upgrade your Exchange 2000 Servers running Windows 2000 SP3 (or later) to Windows Server 2003, you must first upgrade those servers to Exchange Server 2003. This upgrade sequence is required because Exchange 2000 Server is not supported on Windows Server 2003.

Remove Unsupported Components

The following components are not supported in Exchange Server 2003:
  • Microsoft Mobile Information Server
  • Instant Messaging service
  • Exchange Chat Service
  • Exchange 2000 Conferencing Server
  • Key Management Service
  • cc:Mail connector
  • MS Mail connector

To successfully upgrade an Exchange 2000 Server to Exchange Server 2003, you must first use Exchange Setup to remove these components.
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Old 26-06-2009
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Posts: 71
Re: How to Upgrade from Exchange 2000 Server to Exchange Server 2003

Running Exchange 2003 ForestPrep

Exchange 2003 ForestPrep extends the Active Directory schema to include Exchange-specific classes and attributes. ForestPrep also creates the container object for the Exchange organization in Active Directory. The schema extensions supplied with Exchange Server 2003 are a superset of those supplied with Exchange 2000 Server. For information about the schema changes between Exchange 2000 Server and Exchange Server 2003.

In the domain where the schema master resides, run Exchange 2003 ForestPrep in your Active Directory forest. (By default, the schema master runs on the first Windows domain controller installed in a forest.) Exchange Setup verifies that you are running ForestPrep in the correct domain. If you are not in the correct domain, Setup informs you which domain contains the schema master. For information about how to determine which of your domain controllers is the schema master.

Running Exchange 2003 DomainPrep

DomainPrep creates the groups and permissions necessary for Exchange servers to read and modify user attributes. Even if you previously ran Exchange 2000 DomainPrep, you must run Exchange 2003 DomainPrep.

The Exchange Server 2003 version of DomainPrep performs the following actions in the domain:
  • Creates Exchange Domain Servers and Exchange Enterprise Servers groups.
  • Nests the global Exchange Domain Servers into the Exchange Enterprise Servers local group.
  • Creates the Exchange System Objects container, which is used for mail-enabled public folders.
  • Sets permissions for the Exchange Enterprise Servers group at the root of the domain, so that Recipient Update Service has the appropriate access to process recipient objects.
  • Modifies the AdminSdHolder template where Windows sets permissions for members of the local Domain Administrator group.
  • Adds the local Exchange Domain Servers group to the Pre-Windows 2000 Compatible Access group.
  • Performs Setup pre-installation checks.
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