Troubleshooting HTTP Error 403.14 - Timeline and port configuration

Symptoms

When trying to access a web page or application the following error is displayed:

HTTP error 403.14 - forbidden

This error, indicating server refusal to authorize the request, is often accompanied by a message stating that the web server is configured not to list the contents of the directory. The error can affect multiple pages and may be linked to port configuration issues. Identifying when the error started and examining server responses are crucial for effective troubleshooting.

Cause

Encountering an HTTP Error 403.14 can be a frustrating experience, disrupting the normal flow of web applications. This error typically indicates an issue with the configuration of the web server, and one common culprit is an incorrect port setting. This article contains a step-by-step process to investigate and resolve the HTTP Error 403.14, focusing on checking the port configuration in the applicationHost.config file located at C:\Windows\System32\inetsrv\config\.

Resolution

  1. Understanding HTTP Error 403.14 and Its Implications
    HTTP Error 403.14, also known as "Forbidden - The Web server is configured to not list the contents of this directory," occurs when the server is unable to display the directory listing for a requested URL. This issue often arises from misconfigurations in the server settings.
  2. Locating the applicationHost.config File
    Navigate to C:\Windows\System32\inetsrv\config\ on the server to locate the applicationHost.config file. This file contains crucial configuration settings for the Internet Information Services (IIS) server.
  3. Verifying the Port Configuration
    Open the applicationHost.config file using any text editor. Look for the section that specifies the ports used by the Timeline web application. Ensure that the port specified matches the intended configuration. Commonly, this issue arises when there is a mismatch between the specified port and the actual port being used by the application.
  4. Step 4: Correcting Port Mismatch
    If there is a port mismatch, update the configuration in the applicationHost.config file to reflect the correct port number. Save the changes and restart the IIS server to apply the new configuration.
  5. Testing the Configuration
    After making the necessary changes, test the Timeline web application to confirm that the HTTP Error 403.14 is resolved. Ensure that the directory listing is accessible, and the web application functions as expected.

Troubleshooting HTTP Error 403.14 requires a systematic approach, and checking the port configuration in the applicationHost.config file is a crucial step in resolving this issue. By following the steps outlined in this article, one can identify and correct port mismatches, restoring the proper functionality of the Timeline web application. If further challenges arise, consulting extra IIS documentation or getting help from the ABBYY Customer Support team is an option.

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