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If you plan to install Windows Server 2003 servers configured as domain controllers into an existing 70-291 Exam domain, you’ll have to run the Adprep.exe command line utility. This utility is located in the 1386 directory of the Windows 2003 Server installation CD-ROM, You’ll have to run the command adprep /forestprep on your existing Windows 2000 Server domain controller holding the schema operations master role. You’ll have to run adprep /domainprep on the Windows 2000 Server domain controller holding Infrastructure Operations Master role. Be sure to search for articles concerning ADPREP at http://sufport.microsqft.com before you actually run these commands.
When you convert from Windows 2000 mixed or Windows Server 2003 interim functional level to the Windows 2000 native or Windows Server 2003 functional level, keep in mind the following:
Support for pre-Windows 2000 replication ceases. Because preWindows 2000 replication is gone, you can no longer have any domain controllers in your
domain that are not running Windows 2000 Server or later.
You can no longer add new pre-Windows 2000 domain controllers to the domain.
The server that served as the primary domain controller during free 70-291 test questions migration is no longer the domain master; all domain controllers begin acting as peers.
The change in domain functional level is one-way only; you cannot change from the Windows 2000 native or Windows Server 2003 functional level to the Windows 2000 mixed or Windows Server 2003 interim functional level.

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You can configure your Windows Server 2003 70-291 Exam server manually or you can allow it to be configured automatically during Active Directory installation. Manual configuration of DNS to support Active Directory is required if you are using a non-Windows Server 2003 DNS server or if you want to set up a configuration other than the default configuration set up during Active Directory installation. You can configure DNS manually using the DNS console. For details about manually configuring DNS for Active Directory, refer to the MCSA/MCSE Self-Paced Training Kit (Exam 70-291): Implementing, Managing, and Maintaining a Microsoft Windows Server 2003 Network Infrastructure (Microsoft, Press, 2003).
Although Active Directory requires that the DNS service he installed on your network, you can install DNS implementations other than Microsoft Windows Server 2003 DNS service. However, these other implementations might not have all of the features of Windows Server 2003 DNS. Therefore, you might not be able to take advantage of full DNS integration with Active Directory. For details about Active Directory interoperability with other DNS services, refer to the MCSA/MCSE Self-Paced Training Kit (Exam 70-291): Implementing, Managing, and Maintaining a Microsoft Windows Server 2003 Network Infrastructure.

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