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2084860 - Not able to log in to Data Federation


  • Data federation Admin tool (DFAT) fails to login with the below error -
    Cannot connect to the server that hosts the data federation service. (DFA 40001)
    [Data Federator Driver] Unexpected exception: null
    Unexpected exception: null
  • The Information design tool (IDT) also fails with a similar error when trying to connect via BI Platform data federation service.
  • On the affected server, in CMC > servers, the Adaptive processessing Server  (APS) does not show any metrics for the data federation services while there are metrics for other services. This is not the case with a working server.
  • Even when a new APS server is created with just the Data Federation service ( DF ), the server starts up and is enabled but does not show any DF related metrics on the CMC server metrics.



SAP BI Platform 4.0 , 4.1 and above
All Supported operating systems


SAP BusinessObjects Business Intelligence platform 4.0


BI4 4.0 4.1 DFAT IDT datafed federation connect fail , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , Problem

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