JonasBack 
 
Jonas,
 
I have picked up the Feitian BiosPass2 K27 https://www.ftsafe.com/Products/FIDO2
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Windows 10 Fido2 Key usage notes:
Disclaimer: I am NOT in the AzureAD Fido2 preview please don't assume that anything I am saying is correct for when AzureAD supports Fido2. (I hope not)
 
The out of the box experience with just Windows 10 1903 Pro/Enterprise has been as follows:
- BAD:  Windows 10 so far does not seem to support using Fido2 Key as part of the windows login process (i.e. <ctrl-alt-del> OR when a elevation of privilege's occurs [such as Run As Administrator])
 - GOOD: WebAuthN with Edge and EdgeChromium-Dev-channel build is working for websites that support AuthN login. 
 
 
I really hope that AzureAD Fido2 can support the <ctrl-alt-del> login scenario even though Microsoft Accounts aren't doing so.