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Create a Subnet Object or Objects and Associate them with a Site

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Applies To: Windows Server 2008, Windows Server 2008 R2

If you create a new site or if you enlarge a new site, you can use this procedure to create a subnet object or objects and associate them with the site in Active Directory Domain Services (AD DS). You can assign the appropriate network address to the subnet object so that it represents a range of TCP/IP addresses. To accomplish this procedure, you must have the following information:

  • The site with which the subnet is to be associated.

  • The IP version 4 (IPv4) or IP version 6 (IPv6) subnet prefix.

Membership in the Enterprise Admins group in the forest or the Domain Admins group in the forest root domain, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (https://go.microsoft.com/fwlink/?LinkId=83477).

To create a subnet object or objects and associate them with a site

  1. Open Active Directory Sites and Services: On the Start menu, point to Administrative Tools, and then click Active Directory Sites and Services.

  2. In the console tree, expand the Sites container, right-click Subnets, and then click New Subnet.

  3. In New Object - Subnet, in Prefix, type the IPv4 or IPv6 subnet prefix for the subnet.

  4. In Select a site object for this prefix, click the site to be associated with the subnet, and then click OK.