Users are encountering an error after successful authentication through SiteMinder (external IdP). Following authentication, SiteMinder sends a SAML Response to Azure AD B2C’s ACS endpoint, but B2C returns the below error:
{“status”:”400″,”errorCode”:”AADB2C90046″,”message”:”We are having trouble signing you in. You might want to try starting your session over from the beginning.”}
Application Insights didn’t reveal the specific reason for the “AADB2C90046” error.
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