Windows 10 with GINA installed, can't login as 'Other User"

Windows 10 with GINA installed, can't login as 'Other User"

I have a problem where if I install ADSSP GINA onto a Windows 10 machine and try to login as "Other User", that as soon as I enter a single character (no matter what it is), the logon screen immediately resets and  goes back to the splash screen with the time.  If I uninstall ADSSP from the machine, everything works normally and I can use "Other user" to log in as anyone.

Is there a known fix for this?  We are on build 5318.

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