You receive a warning message on the System Configuration Check page of the SQL Server 2005 Setup program on a computer that is running Windows Vista or a Server Core installation of Windows Server 2008

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SYMPTOMS

Consider the following scenario. You install Microsoft SQL Server 2005 or Microsoft SQL Server 2005 Express Edition with Advanced Services on a computer that is running one of the following operating systems:

Windows 7
Windows Server 2008 R2
Windows Server 2008
Windows Vista

In this scenario, you receive the following warning message for the IIS Feature Requirement item on the System Configuration Check page in the SQL Server 2005 Setup program:

Microsoft Internet Information Services (IIS) is either not installed or is disabled. IIS is required by some SQL Server features. Without IIS, some SQL Server features will not be available for installation. To install all SQL Server features, install IIS from Add or Remove Programs in Control Panel or enable the IIS service through the Control Panel if it is already installed, and then run SQL Server Setup again. For a list of features that depend on IIS, see Features Supported by Editions of SQL Server in Books Online.

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CAUSE

This problem occurs because not all the IIS 7.0 components that SQL Server depends on are installed on the computer. The following table lists the affected components.

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Component	Folder
Static Content	Common HTTP Features
Default Document	Common HTTP Features
HTTP Redirection	Common HTTP Features
Directory Browsing	Common HTTP Features
ASP.Net	Application Development
ISAPI Extension	Application Development
ISAPI Filters	Application Development
Windows Authentication	Security
IIS Metabase	Management Tools
IIS 6 WMI	Management Tools

Note The Folder column in the table lists the folder under which the component resides. You encounter these folders when you run the IIS 7.0 Setup program.

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WORKAROUND

To work around this problem, install the IIS 7.0 components that are not installed on the computer.

Note You cannot install IIS 7.0 by using the Add or Remove Programs item in Control Panel on a computer that is running one of the operating systems that are listed in the "Symptoms" section.

To install IIS 7.0 or the IIS 7.0 components on Windows 7 or on Windows Vista, visit the following IIS Web site:

http://www.iis.net/default.aspx?tabid=2&subtabid=25&i=957 (http://www.iis.net/default.aspx?tabid=2&subtabid=25&i=957)

To install IIS 7.0 or the IIS 7.0 components in a Server Core installation of Windows Server 2008 R2 or of Windows Server 2008, visit the following IIS Web site:

http://www.iis.net/default.aspx?tabid=2&subtabid=25&i=956 (http://www.iis.net/default.aspx?tabid=2&subtabid=25&i=956)

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