Active directory domain services (AD DS) is something new on Windows Server 2008. on the following window you can read a small introduction about it. click next when you finish reading. click Next on the above window. on the following window, you will be asked to confirm the installation of domain services:

Windows 2008 Server Manager MMC snap-in Windows 2008 Server Roles can be considered as the primary function of a server. Windows 2008 Server Features are minor function of a server that supports the functionality of a role. Roles available in Windows 2008 Server • Active Directory Certificate Services • Active Directory Domain Services (AD DS) Upgrading your Active Directory to Windows Server 2008 - The Apr 08, 2008 How To Install Active Directory On Windows Server 2008 Active directory domain services (AD DS) is something new on Windows Server 2008. on the following window you can read a small introduction about it. click next when you finish reading. click Next on the above window. on the following window, you will be asked to confirm the installation of domain services: Server 2008 – Export Active Directory users to excel

New features added in Windows Server 2008 R2 include new virtualization features, new Active Directory features, Internet Information Services 7.5 and support for up to 256 logical processors. It is the first server operating system by Microsoft to exclusively support 64-bit processors.

Active Directory Management with PowerShell in Windows Server Nov 19, 2009 How to remove Active Directory in Windows Server 2008 This wizard is configuring Active Directory Domain Services. This process can take from a few minutes to several hours, depending on your environment and the options that you selected. The computer is rebooted to complete the removal of Active Directory from your Windows 2008 Server.

Active Directory Security Groups | Microsoft Docs

Windows 10 Pro and Windows Server 2008 r2 Domain Join Issues Feb 07, 2016 Remote Server Administration Tools (RSAT) for Windows