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Error message when you visit a Web site that is hosted on a server that is running IIS 7.0: "HTTP Error 404.15 – Not Found"
Article ID: 942071 - View products that this article applies to.
You have a Web site that is hosted on a server that is running Internet Information Services (IIS) 7.0. When you visit this Web site in a Web browser, you may receive an error message that resembles the following error message:
Server Error in Application "application name"
HTTP Error 404.15 – Not Found
Description of HRESULT # The operation completed successfully.
This problem occurs because the query string length of the requested URL is longer than the length that is specified in the maxQueryString property in the ApplicationHost.config file.
Note The maxQueryString property is under the requestLimits node, which is under the requestFiltering node.
To resolve this problem, follow these steps: