Cannot login to Enterprise App when Azure AD B2C user

Stuart Jarriel 1 Reputation point
2022-05-23T16:50:26.997+00:00

When trying to login to an Enterprise App via SAML2 using a AzureAD B2C Tenant I get the error:

"We couldn't find an account with that username."

The name Im using is a user in the Azure AD that the B2C Tenant is connected to

Microsoft Entra External ID
Microsoft Entra External ID
A modern identity solution for securing access to customer, citizen and partner-facing apps and services. It is the converged platform of Azure AD External Identities B2B and B2C. Replaces Azure Active Directory External Identities.
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