Error message:
HTTP Error 401.3 - Unauthorized
You do not have permission to view this directory or page because of the access control list (ACL) configuration or encryption settings for this resource on the Web server.
Solution:
The main reason of this error is users did not have read access to %windir%\Microsoft.net\Framework64\v4.030319
To resolve this issue first you have to add authenticated users and then reset its permissions for aspnet_filter.dll 32 and 64 bit folders. Location of this bit folders is %windir%\Microsoft.net\Framework64\v4.030319.
This issue can also occur if your .aspx files are under wwwroot and it does not have required permissions.
HTTP Error 401.3 - Unauthorized
You do not have permission to view this directory or page because of the access control list (ACL) configuration or encryption settings for this resource on the Web server.
Solution:
The main reason of this error is users did not have read access to %windir%\Microsoft.net\Framework64\v4.030319
To resolve this issue first you have to add authenticated users and then reset its permissions for aspnet_filter.dll 32 and 64 bit folders. Location of this bit folders is %windir%\Microsoft.net\Framework64\v4.030319.
This issue can also occur if your .aspx files are under wwwroot and it does not have required permissions.