Microsoft Windows NT 4.0 Guide Manual de usuario descargar pdf (Pagina 35)

Microsoft

Windows Server

™

2003 White Paper

Windows NT 4.0 Server Upgrade Guide 30

Upgrading Windows NT 4.0 Servers

After application compatibility has been determined, it is time to focus on the steps needed to

upgrade Windows NT Server 4.0 computers to Windows Server 2003. This section explains the

benefits of upgrading to Windows Server 2003 apart from implementing Active Directory, which is

discussed in a later section. Even if Active Directory is not installed, an upgrade to Windows

Server 2003 can be a cost-effective decision. Windows Server 2003 provides many benefits,

including improved disaster recovery features and performance and scalability, that enable server

consolidation.

Many Windows NT 4.0 upgrades to Windows Server 2003 start with individual servers rather than

Active Directory. This approach helps administrators become familiar with and take advantage of

Windows Server 2003 features without assuming the responsibility of a complete domain

upgrade. It is a good idea to start with servers that affect the fewest number of users. That way,

staff can implement Windows Server 2003 with little impact to users and become knowledgeable

about the operating system before tackling more complicated upgrades that include as Active

Directory.

What about servers that are not upgraded? Inevitably, some servers cannot be upgraded.

Perhaps the Application Compatibility Toolkit found that an application written internally or by an

outside source will not work after an upgrade. It may be some time before that application can be

migrated to a new version. Organizations may decide not to wait for one application before

starting an upgrade process. However, even in cases like these, Windows Server 2003 can be

rolled out for all other Windows NT 4.0 servers. Windows Server 2003 and Active Directory are

designed to support backward compatibility with both Windows NT Server 4.0 and Windows 2000

computers. (For details, see the Migrating to Active Directory

section later in this guide.)

This section examines the benefits of upgrading stand-alone and member servers even without

Active Directory and provides a sample upgrade scenario to demonstrate each step in the

process.

Upgrading Windows NT 4.0 Stand-alone Servers

A Windows NT 4.0 stand-alone server is a server that does not participate in a domain. There are

many reasons for complete stand-alone servers. One example is a SMTP server sitting in the

perimeter network (also known as DMZ, demilitarized zone, and screened subnet). It is not

unusual to find this type of server residing in a workgroup as opposed to a domain. Whether a

Windows NT 4.0 server is part of a domain or a stand-alone server in a workgroup, it can benefit

from an upgrade to Windows Server 2003.

Upgrading Windows NT 4.0 Member Servers

There are a number of reasons to upgrade member servers in a domain to Windows Server 2003.

File system management is superior to Windows NT Server 4.0, thanks to improvements in DFS

and the addition of the Volume Shadow Copy service, which work together to make file servers

highly available and easy to navigate.

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Microsoft Windows NT 4.0 Guide Manual de usuario Pagina 35

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