Wednesday, May 9, 2012

Cannot Display Web Page on IIS due to Configuration Error


HTTP Error 500.19 - Internal Server Error

The requested page cannot be accessed because the related configuration data for the page is invalid.

Config Error: There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined
Config File:  Application\Web\web.config

The error on IIS 7.5 should look like this.

Open web.config, and then comment out the "system.web.extensions" sectionGroup under configSections tag.
For example:
<!--<sectiongroup name="system.web.extensions">


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