You can configure UAA to use the email domain to identify the identity provider if you have configured more than one external identity providers.
About this task
When a user logs in using a set email Id, UAA can redirect the call to the right identity provider if multiple identity providers are present. To configure UAA to identify the identity provider, you set the IdP discovery configuration in UAA. By default, this configuration is set to False.
Procedure
In UAA Dashboard, select the Customization tab.
In the Customization page, turn on the Enable IDP Discovery option.