D-PDD-DY-01: Dell PowerProtect Data Domain Deploy

For SSO to work on a PowerProtect Data Domain system, simply turning on SSO in DD System Manager is not sufficient — the appliance must also be registered with the identity provider (IdP). This registration establishes the trust relationship (client ID/secret, certificates, metadata discovery URL, and redirect URL) between the Data Domain system and the SSO provider so that authentication requests and responses can be validated. Without completing this registration step with the SSO/identity provider, users will be unable to authenticate via SSO even though SSO has been enabled on the appliance.