Installing Active Directory
Installing Active Directory on a computer running Windows Server 2003 makes that computer a domain controller. During installation, you are given the option of setting the domain controller type as a domain controller either for a new domain or as an additional domain controller in an existing domain. If you make the domain controller part of a new domain, you can create a new domain in a new forest, a child domain in an existing domain tree, or a new domain tree in an existing forest. In fact, this is how you extend Active Directory structure from the first domain in a new forest to include additional domains and domain trees.
Active Directory Installation Options and Issues
You have several options for installing Active ...