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Does migrating users mean new ID's?


I’m considering swithching my beta app from Microsoft Azure AD B2C which uses GUID values for UserID’s and looks like Auth0 doesn’t.

Does this mean, Auth0 will assign new ID’s?


Here’s the documentation I used to understand user migration scenarios. I also manually created a user to see what the Auth0 assigned ID looks like and confirmed that Auth0 is not using GUID’s as Azure AD B2C does.

With that information, it’s not hard to conclude that the application should allow an “external/login ID” for users that is different than users’ domain ID.


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