SAP Knowledge Base Article - Preview

3272715 - SAP application fails to connect to database with error ORA-12154 due to incorrect TNS name used - NetWeaver


  • SAP application is not coming up after SID and host rename
  • Developer trace shows SAP instance tried to connect to an incorrect TNS name and reports error ORA-12154

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."



  • SAP NetWeaver on non-RAC Oracle


SAP NetWeaver all versions


dbs/ora/tnsname, ORA-12154 , KBA , BC-DB-ORA-SYS , Database Interface / DBMS , Problem

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