Microsoft Windows NT 4.0 Guide Manual de usuario descargar pdf (Pagina 130)

Microsoft

Windows Server

™

2003 White Paper

Windows NT 4.0 Server Upgrade Guide 125

considerable. Exchange Server 2003 provides better backup tools and server consolidation

features than previous versions. Used in combination with Windows Server 2003, Exchange 2003

supports the new Volume Shadow Copy service technology, a feature that enables administrators

to mirror the disk on which the Exchange data store resides, performing quick backups with no

downtime.

Current versions of Exchange provide no built-in support for restoring a single lost or corrupted

mailbox. An administrator must either reload the entire server or rely on third-party products to

complete this task. Exchange Server 2003 provides single mailbox restores as a built-in feature.

This single feature can greatly reduce the disaster recovery process when a single mailbox is lost

or corrupted.

Exchange 5.5 supports a single messaging database (Store) to store saved messages for all

mailboxes. The database continues to function as the store grows, but becomes very difficult to

work with in a disaster recovery situation. Exchange Server 2003 provides for multiple messaging

stores, which enable a single, large store to be broken into several smaller more manageable

stores. These smaller stores support better disaster recovery scenarios and help minimize the

impact of a recovery on the organization as a whole, because mailboxes are distributed across

multiple stores.

Deployment Tools

Exchange Server 2003 is designed to coexist with both Exchange 2000 and Exchange 5.5.

Microsoft is providing an extensive suite of deployment tools for Exchange 2003. These tools

make planning and executing an upgrade to Exchange Server 2003 easier than previous

upgrades. The tools are particularly useful for organizations upgrading away from Exchange 5.x

with or without Active Directory. They can be used to inspect the current Exchange environment

and detect current configuration items that could impede the upgrade process.

The Exchange Server Deployment Tools consist of a series of tools and documentation that lead

you through the following process:

• Planning the deployment.

• Preparing Active Directory by using ForestPrep and DomainPrep.

• Installing Active Directory Connector (ADC) and ADC tools.

• Installing Exchange.

• Completing deployment and moving mailboxes and public folders.

Using ADC

One of the toughest tasks in upgrading Exchange 5.5 to Exchange 2000 or Exchange 2003 is the

setup of ADC. ADC provides necessary communication from the Exchange 5.5 directory service

and directory database to the Active Directory database used by both Exchange 2000 and

Exchange 2003. In earlier versions, ADC was easy to configure incorrectly, which caused upgrade

issues.

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Microsoft Windows NT 4.0 Guide Manual de usuario Pagina 130