In
some cases, you will want to install AD DS using an unattended installation. For example,
as you saw in Chapter 2, the unattended installation method is the only method you can
Figure 4-26. Removing Active Directory Domain Services
131 Chapter 4: Active Directory Domain Services
use to install AD DS on a Server Core. You might also want to use this method of installation
if you are scripting an install of multiple domain controllers to make sure they are
set up consistently.
To install and configured AD DS using an unattended installation, you will need to
create an answer file for dcpromo.exe (which is really just the Active Directory Domain
Services Installation Wizard). Optionally, if you don??™t want to use an answer file, you
can pass all these parameters at the command line. The first step to making this successful
is to understand what parameters you will need to specify, since this choice depends
on the type of options you will be selecting for installation. For example, setting up an
answer file for the first domain controller of a new domain and a new forest has different
parameter requirements than adding a new domain to an existing forest.
NOTE The unattended option replaces the steps in the AD DS installation only as it relates to
selections in the Active Directory Domain Services Installation Wizard. If you are adding a new
domain to an existing Windows 2000/2003 forest or a new domain controller to an existing Windows
2000/2003 domain, you will still need to perform the schema and other domain updates using adprep
as described in the previous hands-on exercises.
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