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2965734 - ERROR: HMskiCheckValidity failed in SEC_TRACE_ANALYZER report when connect to ABAP via SSO


When connecting to an ABAP back-end system using assertion/logon ticket based SSO, connection was failed.

Based on different access approaches, system behaves differently:

  • For webservice based access, a 401 authorization error shows : Web Service ping failed(RC=401) Service Ping ERROR: Unauthorized
  • For webgui based access, a back-end system logon page shows up.

In back-end system sec_trace_analyzer report, the following error message can be observed:

N *** ERROR => HMskiCheckValidity failed. 



Netweaver AS ABAP


SAP NetWeaver Application Server for ABAP all versions


Assertion Ticket, Web Service, time difference,  logon ticket, expired, not valid, ABAP. , KBA , BC-SEC-LGN , Authentication , Problem

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