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Planning an Upgrade from Exchange 2000

 

Topic Last Modified: 2005-05-13

If your current Exchange environment consists of a pure Exchange 2000 organization in native mode, Active Directory is already implemented and supporting Exchange. Upgrading to Exchange 2003 is fairly straightforward in this case.

It is important to understand that not all components of Exchange 2000 are supported in Exchange 2003. If you currently use any of the components shown in the following table, you may need to keep an Exchange 2000 server in your organization.

You need to remove any unsupported components before attempting an upgrade because they are not supported in Exchange 2003.

Components that must be removed before upgrading an Exchange 2000 server to Exchange 2003

Component

Resolution

Microsoft Mobile Information Server Exchange Event Source.

Use Exchange Mobile Browse

Instant Messaging Server

Retain an Exchange 2000 server to run this component.

Microsoft Exchange 2000 Chat Service

Retain an Exchange 2000 server to run this component

Microsoft Exchange 2000 Conferencing Server

Retain an Exchange 2000 server to run this component

Use Microsoft Live Communication Server

Key Management Service

Retain an Exchange 2000 server to run this component

Use Windows Server 2003

Microsoft Exchange Connector for Lotus cc:Mail

Retain an Exchange 2000 server to run this component

Microsoft Exchange MS Mail Connector

Retain an Exchange 2000 server to run this component

You should also check third party services that depend on or interoperate with Exchange 2000 to ensure that they are supported with Exchange 2003.

Other services that could be affected include things like:

  • Back up systems

  • Antivirus applications

  • Connectors (such as fax connectors).

For more information about how to upgrade from Exchange 2000, see the following resources:

 
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