Windows Server 2008 Roles, what are they?

A role is logical grouping of a set of components based on user scenarios, typical server workloads and dependencies. There are no roles installed by default.

The available roles in Server 2008 are:

  • Active Directory Certificate Services (AD CS)
  • Active Directory Domain Services (AD DS)
  • Active Directory Federation Services (AD FS)
  • Active Directory Lightweight Directory Services (AD LDS)
  • Active Directory Rights Management Services (AD RMS)
  • Application Server
  • Dynamic Host Configuration Protocol (DHCP) Server
  • Domain Name System (DNS) Server
  • Fax Server
  • File Services
  • Network Policy & Access Services
  • Print Services
  • Terminal Services
  • UDDI Services
  • Web Server (IIS)
  • Windows Deployment Services (WDS)
  • Windows SharePoint Services

Take a deeper look into any of the roles in the following link: http://technet.microsoft.com/en-us/windowsserver/2008/default.aspx