Hi, at the beggining of this year I implemented an embedded interface with an external sistem and it was working fine (log in on the external site was with Appian native authentication by navigating to suite/?signin=native) but now we had to add OpenID Authentication for logins and those user who where on the SSO Group were not able to access trough the native url anymore. With this change, the users that access trough the external site with the embedded appian interface were not able to connect anymore. Only those who were not in the authentication group could. Does anyone know what could have happened? And how to solve it?
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Maybe your IDP(OpenID) is not configured to allow Cross-origin. You need to configure cross-origin in IDP.
Also following might be helpful: