Windows Server 2016 – ADFS 4.0 now support certificate authentication on port 443
You may already know that ADFS 3.0 (on Windows Server 2012 R2) already supports certificate authentication BUT using a different communication port than 443 (in fact 49443). With ADFS 4.0 (on Windows Server 2016), the certificate authentication can now use the 443 communication port, making thing easier to implement multi factor authentication using user certificate. […]
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