[keycloak-user] connecting between rh-sso (tier 1) to rh-sso (tier 2) with identity provider

Hello all, can anyone help with configuring multiple domains centralization using RH-SSO ? I had set up 2 Red Hat IDM's with 2 different domains and deployed rh-sso for each domain and used federation configuration to connect them. next I setup a third rh-sso and connected then through the identity provider. I am getting an error of a "Invalid parameter: redirect_uri" which I believe has something to do with the client configuration on the 2 tier RH-SSO the flow I am trying to achieve is : REDHAT-IDM(x2) --> RH-SSO(x2) --> RH-SSO --> APP so when clients are trying to connect to the app they will be able to choose which domain they want to use for authentication thanks in advance *with Best Regards* *Oren Oichman* Red Hat - Cloud Consultant email: oo <ooichman@redhat.com&gt;ichman(a)red <ooichman(a)redhat.com&gt;hat.com <ooichman(a)redhat.com&gt; cell : +972-54-4959822