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The CoreOne Authentication User can have multiple references to the external users from external identity providers, also known as federation or brokering. He has the option to merge those accounts manually and automatically to a local account. Both processes are described here.

Auto Merging / Auto Registration

Whenever a user authenticates with an external identity provider and the authentication results in a user that is nor yet linked to any CoreOne Authentication User, the system either tries to auto merge it or, if no user can be determinated, renders the registration form.

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