You are not authorized to view this page

The URL you attempted to reach has an ISAPI or CGI application installed that verifies user credentials before proceeding. This application cannot verify your credentials.

Please try the following:

  • Contact the Web site administrator if you believe you should be able to view this directory or page.
  • Click the Refresh button to try again with different credentials.

HTTP Error 401.5 - Unauthorized: Authorization failed by an ISAPI/CGI application.
Internet Information Services (IIS)


Technical Information (for support personnel)

  • Go to Microsoft Product Support Services and perform a title search for the words HTTP and 401.
  • Open IIS Help, which is accessible in IIS Manager (inetmgr), and search for topics titled Configuring ISAPI Extensions, and About Custom Error Messages.
  • In the IIS Software Development Kit (SDK) or at the MSDN Online Library, search for topics titled Developing ISAPI Extensions, ISAPI and CGI, and Debugging ISAPI Extensions and Filters.