SAP Knowledge Base Article - Preview

2769806 - ECO: ORA-28040 error connecting to Oracle 12 - SRS


  • When using Oracle instant client libraries or,
  • Creating an ExpressConnect for Oracle (ECO) connection to Oracle fails with the following error:

Message: 28040, State 0, Severity 5 -- '[ connection ][ OXP ] OCISessionBegin ORA-28040: No matching authentication protocol'.



  • SAP Replication Server (SRS) 16.0
  • SAP Replication Server (SRS) 15.7.1
  • SAP Replication Server (SRS) Options 15.7.1


SAP Replication Server 15.7 ; SAP Replication Server 16.0 ; SAP Sybase Replication Server 15.7, option for Oracle


CR818340, CR#818340, 818340, 28040, RepServer , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Bug Filed

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