HTTP 401.5 Unauthorized: ISAPI-CGI Application authorization Failure solution

Error message:

You are not authorized to view this page the URL you are trying to access installs an ISAPI or CGI application and authenticates the user credentials before proceeding. The application cannot validate your credentials. Please try the following:

HTTP 401.5-Unauthorized: isapi/cgi application authorization failed.

causal Analysis 1

The Web address has an ISAPI (Internet Server Application programming Interface) or a CGI (Public Gateway Interface) program that authenticates user credentials. This program, the authentication credentials used to connect to the server have been denied access.

Solution

To resolve this issue, try the server you are accessing, and use the appropriate credentials again. Contact your system administrator to obtain the correct login information.

cause Analysis 2

The main reason is that you do not have Internet Information Services (IIS) permissions, the Web site's virtual directory plus everyone's read access to solve the

Workaround:

Right-click the Site Directory-> properties-> the Security tab-> If you have the Everyone user, check the permission (if you need to modify the data, please also check the Change permission)

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