Microsoft KB Archive/942041

= Error message when you try to open a Web page that is hosted on IIS 7.0: &quot;HTTP Error 404.0 - Not Found&quot; =

Article ID: 942041

Article Last Modified on 9/25/2007

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APPLIES TO


 * Microsoft Internet Information Services 7.0

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SYMPTOMS
When you try to open a Web page that is hosted on Internet Information Services (IIS) 7.0, you may receive one of the following error messages:

Error message 1

Server Error in Application &quot; &quot;

HTTP Error 404.0 - Not Found

HResult: 0x80070002

Description of HResult: The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.

Error message 2

Server Error in Application &quot; &quot;

HTTP Error 404.0 - Not Found

HResult: 0x8007007e

Description of HResult: The specified module could not be found.



Error message 1
This problem occurs for one or more of the following reasons:
 * The specified directory or file does not exist on the Web server.
 * The URL contains a typographical error.
 * A custom filter or a custom module restricts access to the file. The filter or the module sends the &quot;HTTP Error 404.0&quot; error message back to the client as a response.

Error message 2
This problem occurs because the requested resource is mapped to a handler component that has dependencies on other files. However, these files are either missing or inaccessible.



Error message 1
To resolve this problem, use one of the following methods:
 * Make sure that the requested resource is at the location that the URL points to.
 * Review the URL that you open in the Web browser.
 * Make sure that no custom filters or modules restrict access to the file that you want to browse.

Error message 2
To resolve this problem, make sure that any dependency files that the handler component has dependencies on can be accessed and are in the correct location.

Keywords: kbexpertiseadvanced kbtshoot kbprb KB942041

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