How to enable Azure B2C custom banned password list

Tina 6 Reputation points
2020-06-10T18:02:32.597+00:00

The custom banned password list option is not avaible for our Azure B2C tenant. Please advise how we can enable this feature.

Thanks,

Azure Active Directory
Azure Active Directory
An Azure enterprise identity service that provides single sign-on and multi-factor authentication.
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  1. Saurabh Sharma 17,366 Reputation points Microsoft Employee
    2020-06-10T23:22:35.003+00:00

    You can use ClaimsTransformations component with LookupValue transformation of B2C custom polices to enable and validate the custom banned password list. If the LookupValue transformation matches up with any one of the InputParameters, then the policy will return a claim with bannedPassword as true else it will return false.

    9737-custom-policy-banned-password.png

    You can find complete implementation in GitHub repository over here.