HTTP Error 401.4 - Unauthorized
You might not have permission to view this directory or page using the credentials that you supplied. The Web server has a filter installed to verify users connecting to the server and it failed to authenticate your credentials.
Most likely causes:
An ISAPI filter running on the Web server has failed the authentication process or denied the request.
Things you can try:
To test this error, remove any filters that are installed for the Web site where access was requested. If the error does not occur after the filters are removed, one of the filters was returning the error. Create a tracing rule to track failed requests for this HTTP status code. For more information about creating a tracing rule for failed requests, click here .
Detailed Error Information:
Module PleskUrlProtectionModule
Notification BeginRequest
Handler PHP-php
Error Code 0x80070005
Requested URL https://www.sedesoi.com:443/bbz/pubblica_annuncio.php?id=4437
Physical Path D:\home\sedesoi.com\httpdocs\bbz\pubblica_annuncio.php
Logon Method Not yet determined
Logon User Not yet determined
More Information:
This error occurs when an ISAPI filter running on the Web server fails the authentication process. IIS does not ship with any ISAPI filters that would return this error, so the error is caused by a third-party filter installed on the server.
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Microsoft Knowledge Base Articles: