Using Time-Based One-Time Passwords for Multi-Factor Authentication in AD FS 3.0

I often get the question if it is possible in AD FS 3.0 to use the Google Authenticator as the second factor for authentication. When we read the documentation for the Google Authenticator, we find that this product is actually based on two RFC's. One of these is RFC6238; a Time-Based One-Time Password (TOTP) Algorithm. This…

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