Microsoft Windows NT 4.0 Guide Manual de usuario descargar pdf (Pagina 83)

Microsoft

Windows Server

™

2003 White Paper

Windows NT 4.0 Server Upgrade Guide 78

• Converting forest or domain functional level to Windows Server 2003.

Demoting a Domain Controller

HGF Properties already decided to remove one of the three domain controllers in Los Angeles.

The upgrade team wants to demote one of them and repurpose it as a fax server.

They first select HGFPDC as the server to demote. Of the two original Windows NT 4.0 domain

controllers, it provides the fewest services. By comparison, HGFBC runs the DHCP and WINS

services. Rather than moving these services to another server, they decided to keep HGFBDC

and demote HGFPDC. To demote HGFPDC, an administrator can either run DCPROMO or use

the Configure Your Server tool, which can also start the DCPROMO utility.

After the wizard has successfully run, the server is rebooted and is no longer a domain controller.

At this point the server is free to be repurposed.

Upgrading an Internal Business Application

The current Web-based business application interfaces with the SQL Server 6.5 database on

HGFSQLSERVER. The application is being rewritten to use the new SQL 2000 server called

HGFSQLSSERVER2. HGFSQLSERVER is the only computer left running Windows NT 4.0. It

was decided that because the upgrade to the new application was almost complete, this server

would not be upgraded. After the upgrade of the application to HGFSQLSERVER2 is complete,

HGFSQLSERVER will be removed from the domain and retired.

Changing Computer Names for Old Domain Controllers

After HGFPDC is demoted to a member server, the administrators decide it to change its name

before they repurpose it. The name is changed and the server is rebooted. At this point, the server

is no longer a domain controller and no longer has the name of a former domain controller.

Keep in mind that the administrators still have a domain controller that needs to have its name

changed. However, because it is a domain controller, it cannot have its name changed at the

moment. The domain’s forest functional level would need to be placed into Windows Server 2003

mode first. All domain controllers are now running Windows Server 2003, so this change can

happen at any time.

However, the administrators want to make sure all is well before taking this irreversible step—they

still need to retire the Windows NT 4.0 server running SQL Server. In addition, a number of

Windows NT 4.0 Workstation–based computers and Windows 98–based computers also should

be upgraded or retired. Although not necessarily a prerequisite, this assessment helps the team

account for all down-level clients before turning on the final switch.

Planning the Exchange Server Upgrade

The team decided for now to upgrade their Exchange server to Exchange 2000. to do this, they

could bring in new equipment and upgrade mailboxes to the new server or perform an in-place

upgrade. By deciding to do an in-place upgrade, the server hardware does not have to change.

The operating system must remain on Windows 2000, though, because Exchange 2000 does not

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Microsoft Windows NT 4.0 Guide Manual de usuario Pagina 83