Hi Subhabaha,
I am also facing the similiar problem, but I have used SAML and AS ABAP as service provider. it does sso to nwbc but when we use UI5 application
https://<host>:port/sap/bc/ui5_ui5/sap/arsrvc_suite_pb/main.html?page=HR_SELFSERVICES
it doesn't logs the user in. and ask for the similiar logon popup.
Any help would be highly appreciated.
thanks
Devender