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Active Directory Domain Services on Server Core (part 2)

10/14/2011 9:08:54 AM

4. Server Configuration

Windows Server 2008 R2 includes a menu-based command-line tool called Server Configuration for basic administrative tasks (see Figure 2). Server Configuration provides a simple set of administrative commands that can be run by entering context-based menu numbers mapped to standard command-line executables, rather than by typing the syntax of the command-line executables manually. Although Server Configuration can save time for simple administrative tasks, more complicated tasks, such as configuring Active Directory Domain Services, must still be performed from the command line.

Figure 2. The Server Configuration window



To run Server Configuration on a Server Core installation of Windows Server 2008 R2, type sconfig.exe at the command prompt and then press Enter.

5. Adding AD DS to a Server Core Installation

Because there is no Active Directory Domain Services Installation Wizard in Server Core, you must use the command line to run Dcpromo.exe with parameters that configure AD DS. To learn about the parameters of Dcpromo.exe, open a command line and type dcpromo.exe /?. Each configuration scenario has additional usage information. For example, type dcpromo.exe /?:Promotion for detailed usage instructions for promoting a domain controller.



You can find a listing of unattended installation parameters for AD DS at

6. Removing Domain Controllers

Occasionally, you might have a reason to take a domain controller offline for extended maintenance or to remove it permanently. It is important that you remove a domain controller correctly so that the information about the domain controller is cleaned up in Active Directory.

To remove a domain controller, use the Dcpromo.exe command. If you run the command on a domain controller by using the Windows interface, the Active Directory Domain Services Installation Wizard takes you through the process. If you want to use the command line or are removing AD DS from a Server Core installation, type dcpromo.exe /?:Demotion for usage information regarding parameters for the demotion operation.

When you demote a domain controller, you must provide a password that will be assigned to the local Administrator account of the server after demotion.

6.1. Practice Installing a Server Core Domain Controller
6.1.1. Practice Installing a Server Core Domain Controller

In this exercise, you add a domain controller to the forest you created in the Lesson 1 practice. To increase the security and reduce the management overhead of the new DC, you promote a server running Server Core to a domain controller. Before performing the exercises in this practice, you must have completed the practice in Lesson 1.

EXERCISE 1 Install Server Core

In this exercise, you install Server Core on a computer or virtual machine.

  1. Insert the Windows Server 2008 R2 installation DVD.

    If you are using a VM, you might have the option to mount an ISO image of the installation DVD. Consult the VM Help documentation for guidance.

  2. Power on the system.

    If the system’s hard disk is empty, the system should boot to the DVD. If there is data on the disk, you might be prompted to press a key to boot to the DVD.

    If the system does not boot to the DVD or offer you a boot menu, go to the BIOS settings of the computer and configure the boot order to ensure that the system boots to the DVD.

  3. Select the language, regional setting, and keyboard layout that are correct for your system, and then click Next.

  4. Click Install Now.

  5. Select Windows Server 2008 R2 Standard (Server Core Installation), and then click Next.

  6. Select the I Accept The License Terms check box, and then click Next.

  7. Click Custom (Advanced).

  8. On the Where Do You Want To Install Windows page, select the partition on which you want to install Windows Server 2008 R2.

    If you need to create, delete, extend, or format partitions, or if you need to load a custom mass storage driver to access the disk subsystem, click Driver Options (Advanced).

  9. Click Next.

  10. When installation is complete, you are prompted to change the Administrator’s password. Click OK.

  11. Enter a password for the Administrator account in both the New Password and Confirm Password boxes, and then press Enter.

    The password must be at least seven characters long and must have at least three of four character types:

    1. Uppercase: A–Z

    2. Lowercase: a–z

    3. Numeric: 0–9

    4. Non-alphanumeric: symbols such as $, #, @, and !



      Without it, you will not be able to log on to the server to perform other exercises in this training kit.

  12. Click OK.

    The command prompt for the Administrator account appears.

EXERCISE 2 Perform Post-Installation Configuration on Server Core

In this exercise, you perform post-installation configuration of the server to prepare it with the name and TCP/IP settings required for the remaining exercises in this lesson.

Note: Ensure that SERVER01 is running when performing these exercises. SERVER02 accesses SERVER01’s AD DS database throughout the exercise.

  1. Rename the server by typing netdom renamecomputer %computername% /newname: SERVER02. You are prompted to press Y to confirm the operation.

    Alternately, you can configure the computer’s name by typing sconfig at the command line and using the menu-based Server Configuration tool. Either way, you are prompted to restart your computer after changing the computer name. Do not restart the computer until instructed to do so later in the practice.

    The Server Configuration tool can be used to perform steps 2 and 6 of this exercise as well.

  2. Set the IPv4 address of the server by typing each of the following two netsh commands:

    netsh interface ipv4 set address name="Local Area Connection"
    source=static address= mask= gateway= 1

    netsh interface ipv4 set dnsserver name="Local Area Connection"
    source=static address= primary

  3. Confirm the IP configuration you entered previously with the command ipconfig /all.

  4. Restart by typing shutdown -r -t 0.

  5. Log on as Administrator.

  6. Join the domain by typing the command netdom join %computername%/

  7. Restart by typing shutdown -r -t 0, and then log on again as Administrator.

  8. Display installed server roles by typing oclist | more.

    Note the package identifier for the DNS server role: DNS-Server-Core-Role.

  9. Type ocsetup and then press Enter.

    Surprise! There is a minor amount of GUI in Server Core.

  10. Click OK to close the window.

  11. Type ocsetup DNS-Server-Core-Role.

    Package identifiers are case sensitive.

  12. Type oclist and confirm that the DNS server role is installed.

EXERCISE 3 Create a Domain Controller with Server Core

In this exercise, you add the AD DS role to the Server Core installation by using the Dcpromo.exe command.

  1. Type dcpromo.exe /? and then press Enter.

    Review the usage information.

  2. Type dcpromo.exe /?:Promotion and then press Enter.

    Review the usage information.

  3. Type the following command to add and configure the AD DS role:

    dcpromo /unattend /replicaOrNewDomain:replica
    / /ConfirmGC:Yes
    /UserName:CONTOSO\Administrator /Password:* /safeModeAdminPassword:P@ssword where *
    is the password you used in Exercise 1.

  4. When prompted to enter network credentials, type the password for the Administrator account in the domain and then click OK.

    The AD DS role is installed and configured, and then the server reboots.

EXERCISE 4 Remove a Domain Controller

In this exercise, you remove AD DS from the Server Core installation.

  1. Log on to the Server Core installation as Administrator.

  2. Type dcpromo /unattend /AdministratorPassword:password where password is a strong password that will become the local Administrator password of the server after AD DS has been removed. Press Enter.

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