BUG: You cannot install or uninstall a component in IIS 7.0

You cannot install or uninstall a component in Internet Information Services (IIS) 7.0. When you try to install a new component in IIS 7.0 by using the Add Role Services wizard, you receive the following error message:Additionally, error messages that resemble the following may be logged in the IIS 7.0 installation log file (Iis7.log):Note The Iis7.log file is in the following location: When you try to uninstall a component in IIS 7.0 by using the Remove Role Services wizard, you receive the following error message: Additionally, an error message that resembles the following may be logged in the Iis7.log file:

This problem occurs when you enable the Shared Configuration feature in IIS 7.0. The Shared Configuration feature points to a UNC location. This problem occurs because the identity that runs the installation process does not have the correct permissions to the UNC location where the IIS 7.0 configuration files are stored.

To work around this problem, disable the Shared Configuration feature before you try to install or uninstall a component in IIS 7.0.

After you install or uninstall the component, you can enable the Shared Configuration feature.

Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.

For more information about the Shared Configuration feature in IIS 7.0, visit the following Microsoft Web site: