Sep 03, 2019 05:28 AM|Brando ZWZ|LINK
Do you enable the windows auth or form auth in your web application?
As far as I know, 401 unauthorized issue normally means "You do not have permission to view this directory or page using the credentials that you supplied.".
Have you add the enough permission for IUSR or windows user to access the aspx folder?
I suggest you could check