Additional Active Directory Improvements

The Active Directory Installation under windows server. Wizard add some improvements over earlier versions in windows server 2008. These improvements make it easier for an administrator to control the installation of domain controllers within the domain. Enhancements include:

The Administrator easily and secure Manage The Server. the new Windows Server 2008 server management tool, give facility administrator to pre-stage domain controllers. and then administrator can be use. When the domain controller role is added from the Server Manager console, the files that are needed to perform the installation of the directory service are copied to the server. When an administrator starts the Installation Wizard,Through dcpromo.exe command. the files are already cached and available. This is very benificial of an administrator.

The Answer File Creation very easily in windows server 2008. If several domain controllers use the same settings when they are installed, because this file already available there. the Summary page allows you to export the settings from the current installation into an answer file. The password used for your Directory Services Restore Mode administrator account is not exported with the answer file, and you can specify that the user who is installing the domain controller is always prompted for the administrator password. This way, passwords are not accessible to users who have access to the location where the answer files are stored.

The Read-Only Domain Controller Installation. That is very easy in windows server 2008. The new Read-Only Domain Controller role can be installed using the Installation Wizard. When installing a Read-Only Domain Controller, you can define who is allowed to install and manage the domain controller. In the first phase of the installation, a domain administrator can define the account that can install the Read-Only Domain Controller. Once defined, the user that is associated with the Read-Only Domain Controller will have the rights to install the directory service.

Source: http://www.microsoft.com/windowsserver2008/en/us/active-directory.aspx