Before you start, make sure that your Microsoft Windows Server 2003-based
computer is a member of the parent domain. To create a continuous namespace that spans two domains, follow these steps on the
member server:
- Click Start, click Run,
type dcpromo in the Open box, and then
click OK.
- On the first page of the Active Directory Installation Wizard,
click Next.
- Review the list of Windows operating systems that can
no longer function in a Windows Server 2003 domain, and then click
Next.
- On the Domain Controller Type page, accept the default
Domain controller for a new domain selection. Click
Next.
- On the Create New Domain page, click Child domain
in an existing domain tree, and then click
Next.
- On the Network Credentials page, type the following
information, where
Administrator represents a user account that is a member
of the Domain Administrators group and DomainName is the name of your parent domain:
User
Name: Administrator
Password:
Password
Domain:
DomainName
- Click Next to continue, and then on the Child Domain Installation page, type the fully-qualified name of the parent
domain in the Parent Domain box. In the Child
Domain box, type the Netbios name of the fully qualified name of the child domain, and then click
Next.
- On the NetBIOS Domain Name page, accept the suggested
domain NetBIOS name, and then click Next.
- On the Database and Log Folders page, accept the default
settings, and then click Next.
- On the Shared System Volume page, accept the default
settings, and then click Next.
- On the DNS Registration Diagnostics page, review the
diagnostic results, and then click Next.
- On the Permissions page, click the permission level that
applies to your organization, and then click Next.
- On the Directory Services Restore Mode Administrator
Password page, type a password in the Restore Mode Password
and the Confirm Password boxes, and then click
Next.
- On the Summary page, click Next to complete the Active
Directory configuration. This process may take several minutes.
- On the final page, click Finish to
complete the configuration.
- Click Restart Now for the changes to take
effect immediately.
- Log on again as an administrator, click
Start, point to Programs, point to
Administrative Tools, and then click Active Directory
Domains and Trusts to start the Active Directory Domains and Trusts
snap-in.
- In the console tree, verify that the subdomain is listed as
a child domain under the parent domain. All Active Directory domains are
identified by a DNS name that includes the complete name of the parent
domain.
- Right-click the child domain object, and then click
Manage. This action starts the Active Directory Users and Computers
snap-in for the child domain.
- Expand the domain tree, and then click Domain
Controllers.
- In the Details pane, right-click the server object, click
Properties, and then verify that the DNS name is
correct.