After opening a transaction or web dynpro app in a new tab and returning to the fiori launchpad tab, a pop up asking for credentials is returned although:
1.- SSO is configured correctly and was working before performing this action.
2.- The security session cookie SAP_SESSION_<SID>_<CLIENT> is still valid and sent by the browser.
Looking closer at the pop-up asking for credentials, it shows that these are required by the frontend system but for the backend client.
This can happen under the following circumstances:
1.- You are using the same web dispatcher to reach both the frontend (to run the FLP) and backend system (to run the transaction/web dynpro)
2.- The client in the frontend system is different from the client of the backend system.
SAP Fiori Launchpad
sap-usercontext, sap-client, transaction, "web dynpro", sso, "security session", credentials, pop-up, fiori launchpad, webgui, webdynpro , KBA , CA-UI2-INT-BE , SAP Fiori Launchpad services (ABAP) , BC-CST-WDP , Web Dispatcher , Problem
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