Applies to
ApplicationXtender Web Access.NET All versions
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When logged into your Windows server, IIS Windows authentication for SSO or manually entering credentials through a browser does not work for either Windows Auth or Basic Auth using Windows user accounts to access ApplicationXtender. Login attempts just fail with a 401 error.
However, accessing the same sites externally and logging in works just fine, using Windows log-on credentials. It only fails when on the local machine.
Cause
Loopback Protection on Windows Server
This problem comes up on Windows Servers primarily and lately also on Windows 10. When attempting to log on locally on a local Web site using Windows account authentication the your username and password always fail when this policy is enabled. For Web Connection, this affects the admin pages that rely on Windows authentication for access.
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