1. | The installation wizard can be started from the Add
Roles option on the Initial Configuration Tasks window, but the easiest
way is simply to kick off the wizard from a command prompt. To do so,
from the Start menu select Run, type DCPROMO in the text box,
and then click OK. This installs the Active Directory Domain Services
binaries and starts the Installation Wizard.
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2. | When the wizard starts, select Use Advanced Mode
Installation and click Next.
Note
There are many
improvements in the Active Directory Domain Services Installation Wizard
in Windows Server 2008. While all of these improvements are available
by default, some of the wizard pages will appear only if the
administrator selects Use Advanced Mode Installation.
Advanced mode
installation can also be selected by running the DCPROMO
command with the /ADV switch (dcpromo /adv).
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3. | On the
Operating System Compatibility screen, read the information and then
click Next.
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4. | At the
Choose a Deployment Configuration screen, for our purposes, we select
Create a New Domain in a New Forest and click Next. Other available
options enable you to modify an existing forest by adding a new domain
controller in a new or existing domain.
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5. | Enter the fully qualified domain name (FQDN) of the
Forest Root Domain and click Next. For our example, we use companyabc.lab.
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6. | Enter the Domain NetBIOS name. A default name is
suggested for you, derived from the Forest Root Domain name in the
previous step. In our example, the suggested domain name is COMPANYABC.
When you have the domain name entered, click Next.
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7. | Set the Forest Functional Level. For our purposes, we
cannot set the level to Windows 2000, as Exchange Server 2010 requires
at least Windows Server 2003 or higher. If you are certain your
environment will not contain any Windows Server 2003 domain controllers
in the future, you can set it to Windows Server 2008. For our test
installation, we select Windows Server 2003 and click Next to continue.
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8. | Set the Domain Functional Level. As above, we will
select Windows Server 2003 and click Next.
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9. | Microsoft recommends that you install DNS server on the
first domain controller, and requires that this server be a Global
Catalog. Leave the default settings and click Next to continue. Electing
to install Microsoft DNS on the new domain controller will also modify
the server’s TCP/IP properties to use the new DNS installation for name
resolution.
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10. | If your
computer has any IP addresses (either IPv4 or IPv6) that are assigned by
a DHCP server, you will receive a notice that static IP addresses
should be assigned to all network adapters. Check your IP settings and
continue when ready.
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11. | If no authoritative parent DNS zone exists, you receive
the warning shown in Figure 3.
In our example, we are not integrating with an existing DNS
infrastructure, so we will simply click Yes to continue.
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12. | Depending on your server
configuration design, select the location where the AD databases will be
located. Using the Browse buttons, select the locations for your
Database, Log files, and SYSVOL folders. When ready, click Next.
Note
When configuring AD
database locations, make sure that your server hardware configuration
plan takes recoverability and performance into account.
For best
performance, install the AD databases on a separate hard disk than the
server operating system and server page file.
For best
recoverability, use disk fault tolerance such as RAID or disk mirroring
for the AD databases.
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13. | Assign a
password to the Directory Services Restore Mode Administrator account.
This account is used in the event that you have to start the domain
controller in Directory Services Restore Mode. This password should be a
strong password, containing a combination of upper and lower-case
letters, numbers, and special characters. The password should be
documented and stored in a secure location. Enter the Directory Services
Restore Mode Administrator password and click Next.
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14. | Review the selections you have made. In the future,
when creating additional domain controllers that will be similar to one
another, you can export the settings to an “answer file” that you can
use for future unattended installations. If you need to make any
changes, use the Back button to go to the section you want to change,
then use the Next button to return to the review screen. When ready,
click Next to continue.
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15. | The installation wizard now installs DNS and the Active
Directory Domain Services. When the installation has completed, click
Finish to close the wizard, and then click Restart Now to restart the
server.
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