Challenges - different style of auth, aspect like certificate or token expire, renew.

ADAL consolidate different authentication method, Oauth, Saml etc in one solution

Set up a new azure domain	add a user under the domain	add application that requires ADAL authentication

 Once the domain is setup, domain user is setup, application requires ADAL authenicate is setup, basic flow for the authentication using ADAL

Azure Active Directory Authentication Libary (ADAL)