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Add Production Computers to the Membership Group for a Zone

Updated: January 27, 2010

Applies To: Windows 7, Windows Essential Business Server, Windows SBS 2003, Windows SBS 2008, Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2, Windows Server 2008, Windows Server 2008 R2, Windows Vista

After you test the GPOs for your design on a small set of computers, you can deploy them to the production computers.

CautionCaution
For GPOs that contain connection security rules that prevent unauthenticated connections, be sure to set the rules to request, not require, authentication during testing. After you deploy the GPO and confirm that all of your computers are successfully communicating by using authenticated IPsec, then you can modify the GPO to require authentication. Do not change the boundary zone GPO to require mode.

The method discussed in this guide uses the Domain Computers built-in group. The advantage of this method is that all new computers that are joined to the domain automatically receive the isolated domain GPO. To do this successfully, you must make sure that the WMI filters and security group filters exclude computers that must not receive the GPOs. Use computer groups that deny both read and apply Group Policy permissions to the GPOs, such as a group used in the CG_DOMISO_NOIPSEC example design. Computers that are members of some zones must also be excluded from applying the GPOs for the main isolated domain. For more information, see the "Prevent members of a group from applying a GPO" section in Assign Security Group Filters to the GPO.

Without such a group (or groups), you must either add computers individually or use the groups containing computer accounts that are available to you.

Administrative credentials

To complete these procedures, you must be a member of the Domain Administrators group, or otherwise be delegated permissions to modify the membership of the group for the GPO.

In this topic:

  1. On a computer that has the Active Directory management tools installed, click Start, click Administrative tools, and then click Active Directory Users and Computers.

  2. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.

  3. In the navigation pane, expand Active Directory Users and Computers, expand YourDomainName, and then the container in which you created the membership group.

  4. In the details pane, double-click the GPO membership group to which you want to add computers.

  5. Select the Members tab, and then click Add.

  6. Type Domain Computers in the text box, and then click OK.

  7. Click OK to close the group properties dialog box.

After a computer is a member of the group, you can force a Group Policy refresh on the computer.

  • For a computer that is running Windows 7, Windows Vista, Windows Server 2008, and Windows Server 2008 R2, start a command prompt as an administrator, and then type the following command:

    gpupdate /target:computer /force
    
  • For a computer that is running Windows XP or Windows Server 2003, start a command prompt, and then type the following command:

    gpupdate /target:computer /force
    
  • For a computer that is running Windows 2000, start a command prompt, and then type the following command:

    secedit /refreshpolicy machine_policy
    

After Group Policy is refreshed, you can see which GPOs are currently applied to the computer.

  • For a computer that is running Windows 7, Windows Vista, Windows Server 2008, or Windows Server 2008 R2, start a command prompt as an administrator, and then type the following command:

    gpresult /r /scope:computer
    
  • For a computer that is running Windows XP or Windows Server 2003, start a command prompt, and then type the following command:

    gpresult /scope:computer
    
  • For a computer that is running Windows 2000, start a command prompt, and then type the following command:

    gpresult /c
    

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