Phased Migration of Apps from Legacy IDP to Azure AD B2C Many customers have a setup like the following They would like to progressively migrate these apps to B2C. The users need to be using the same username/password and preferably single sign on also works across applications. Every customer that we have come across so far have unique needs so a common solution is hard to find. However there are 2 solution templates applicable across customers: There are 2 steps in this sol