Information
If authorization is determined, the user will be automatically be prompted to submit their credentials to access sensitive pages. NOTE: This check audits the default system drive. If your organization's configuration is differentthe '%systemdrive%' variable will need to be adjusted. NOTE2: Change <framework_version> to the version of .NET that is in use by your organization.
Solution
Make sure 'Authentication' is set to 1 of the following modes 'authentication mode = '[Windows|Froms|Passport|None]'.