HTTP 401.5 unauthorized: ISAPI-CGI application Authorization failure Solution

This article to introduce to you about HTTP 401.5 unauthorized: ISAPI-CGI application Authorization failure solution, have encountered such problems can refer to the reference.

Error message:

You are not authorized to view this page. The URL you are attempting to access is installed with an ISAPI or CGI application, and the user creden。 are verified before you proceed. The application cannot verify your creden. Please try the following operations:

HTTP 401.5-unauthorized: An error occurred while authorizing the ISAPI/CGI application.

Cause Analysis 1

The Web address has user creden。 verified by the ISAPI (Internet Server Application Programming Interface) or CGI (Public Gateway Interface) program. The authentication credential used to connect to the server has been denied access.

Solution

To solve this problem, try to access the server and use the appropriate creden。 again. Contact the system administrator to obtain the correct logon information.

Cause Analysis 2

This is mainly because you have insufficient Internet Information Service (IIS) permissions. You can add the everyone read permission to the virtual directory of your website.

Solution:

Right-click the website directory-> properties-> "security" tab-> if you have Everyone users, select read permission. (If You Want To modify data, check modify permission)

If you do not have this user, add the user name and grant the relevant permissions!