Hello, I maintain my Company's Intranet site. I have been creating and uploading new pages to the site for years. Can anyone help with this? Today, I created a new page, and all of a sudden, when users, including myself, navigate to the page, we are receiving the message stated below: 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.

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From the 401.5 error I'd suggest your issue is either your web application itself directly, or your file system permissions preventing it from doing something (commonly involving the application trying to write data to a read only location). Probably your easiest option first of all is to download and run Process Monitor (http://technet.microsoft.com/en-gb/sysinternals/bb896645) on your web server, and then visit that webpage to generate the error. You should hopefully then be able to find the filesystem error listed in the output, and determine what was trying to be accessed, by which process and with what permissions, and the adjust your permissions or website code accordingly.

It turns out that the security permissions where not set properly on that particular folder hierarchy. Once I matched those permissions up with the rest of the folders in the directory, everything worked fine. Thanks.