SAP Knowledge Base Article - Preview

1875086 - ORA-12537 when connecting to the database

Symptom

When trying to connect to the database it fails with the following error:

ORA-12537: TNS:connection closed

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Environment

  • SAP systems based on SAP NetWeaver
  • Oracle database

Product

SAP NetWeaver all versions

Keywords

connectivity, access_denied, application_server, hostname, TNS, TNS-12537, TNS-12518, ORA-12518, ORA-12537, ORA-00020, ORA-00018, ORA-20, ORA-18 , KBA , BC-DB-ORA , Oracle , Problem

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