FAQ: Why Does the ArcGIS Server Installation Say the Web Applications Feature is Not Avail

Answer

The Web Applications feature of the ArcGIS Server for the Microsoft .NET Framework installation requires several Windows features be installed, including parts of Internet Information Services (IIS). If one or more of these features are not installed, the Web Applications feature will not be available for installation.

The Windows features detailed below satisfy the minimum requirements for the Web Applications feature. If other IIS components are installed already, they do not need to be removed.

On Windows Server 2008

1) Click Start > Administrative Tools > Server Manager > Roles.

2) Click Add Role Services. 

3) At the Select Role Services dialog box, verify the components listed below are turned on.

The following Web Server (IIS) components must be installed when performing an installation on Windows Server 2008.
 
Web Server(IIS)

· Common HTTP Features

· Static Content

· Application Development

· ASP.NET
· .NET Extensibility
· ISAPI Extensions
· ISAPI Filters

· Security

· Basic Authentication
· Windows Authentication
· Request Filtering

· Management Tools

· IIS Management Console
· IIS Management Scripts and Tools
· Management Service
· IIS 6 Management Compatibility

· IIS 6 Metabase Compatibility

The following image shows how Web Server (IIS) components should be configured after the components have been installed (the installation status for Role Services is available on the Server Manager > Roles panel):
[O-Image] How to install the required Windows features on Windows Server 2008

[O-Image] How to install the required Windows features on Windows Server 2008

On Windows Vista

Steps to add IIS components on Windows Vista

1) Open the Control Panel > Programs > Turn Windows features on or off (found under Programs and Features).

2) Expand the Internet Information Services feature.

3) Verify that the IIS components listed below are turned on.

The following Web Server (IIS) components must be installed when performing an installation on Windows Vista.

Internet Information Services

· Web Management Tools

· IIS 6 Management Compatibility

· IIS Metabase and IIS 6 configuration compatibility

· IIS Management Console
· IIS Management Scripts and Tools
· IIS Management Service

· World Wide Web Services

· Application Development Features

· .NET Extensibility
· ASP.NET
· ISAPI Extensions
· ISAPI Filters

· Common HTTP Features

· Static Content

· Security

· Basic Authentication
· Request Filtering
· Windows Authentication

The following image shows how the Windows Components dialog box appears on Vista.
[O-Image] How to install required IIS components on Windows Vista