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1512766 - "Logon not possible (error in license check)": most common reasons


The error message 00 179 "Logon not possible (error in license check)" appears:

  • During the logon without a SAP* account,
  • Background jobs (BTC) keep failing,
  • All the ABAP work processes report error in their traces.



  • Operating System independent
  • Database independent
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA
  • ABAP Platform 


    ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions


    SLICENSE, saplicense dev_slic connect services profile work process HARDWARE KEY CUSTOMER Message Server login/no_automatic_user_sapstar  SAP* dispatcher,
    CommonCryptoLib, Logon not possible (error in license check), Logon not possible, error in license check , KBA , license , BC-CST-SL , SAP License , XX-SER-LIKEY , License keys for SAP systems , BC-CST , Client/Server Technology , BC-SEC-LIK , Licence Key Administration , BC-OP-LNX-AWS , Amazon Web Services , Problem

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