Microsoft World Wide Web Service is not installed. In Windows Server 2008 use Server Manager to install .NET Framework 3.0 ...

Microsoft World Wide Web Service is not installed.
In Windows Server 2008 use Server Manager to install .NET Framework 3.0 by going to "Features" and clicking on "Add Features".  Make sure ".NET Framework 3.0 Features" is selected then click "Next" review your selection then click "Install"
For Windows Server 2003, you must add the Windows Server IIS 6.0 component.
For Windows Server 2008, you must add the Web Server (IIS) role and then install the following server role services:
IIS 6 Metabase Compatibility, IIS 6 WMI Compatibility, Static Content, Default Document, Directory Browsing, HTTP Errors, ASP.NET, .NET Extensibility, ISAPI Extensions, ISAPI Filters, Request Filtering, Windows Authentication.