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Portals + Azure B2C - Associate Contact when matching email found

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Posted on by kphenix

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We have setup Azure B2C and it's working great - authentication is working with the portal and a contact is created and external identity created for the contact on the portal. Problem is that if the contact exists (which 99% times it does for the implementation) with the same email address, it doesn't merge the external, but rather refuses to create, and requires a new email and a new contact is created. That's not going to work.

I've tried adding:

Authentication/OpenIdConnect/B2C/AllowContactMappingWithEmail / TRUE to my site settings, but that isn't working. According to the docs, it should.

Any ideas?

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Shan McArthur on at

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RE: Portals + Azure B2C - Associate Contact when matching email found

There are two requirements to make this work once configured:

1. You must be using the field emailaddress1 on contact to represent the email address (it cannot be mapped to a secondary email such as emailaddress2)

2. The email *must* be unique. If there are more than one other record with the same email, the portal will create a third instead of selecting at random one of the two existing ones.

And just to check - are you mapping the inbound email claim from B2C to the email address (RegistrationClaimsMapping)?

Thanks,
Shan

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