1. Active Directory Federation Service 3.0
Custom Authentication Provider with OTP SMS service

2. WCF Service which sends SMS Code/OTP
Multifactor Authentication with One time Password as SMS
Application Server
(Relying Party)
VPN Client
Internet/Intranet Clients
Active Directory Server
(ADFS 3.0)
MFA enabled
WCF Service which sends SMS Code/OTP

3. Active directory Authentication requested by application

4. Multi factor Authentication invoked after Active directory authentication

5. Thank You Presentation by: Sandeep Thakur