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SAP Knowledge Base Article - PreviewSymptom
During the upgrade of Oracle 11g to 12c, you receive the following error by DBUA:
“Listener "LISTENER" already exists”
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Environment
- SAP release independent
- Oracle 11g
- Windows Operational System
Product
SAP NetWeaver all versions
Keywords
lsnr, listener.ora, DB, database, fail, issue, OracleListenerServiceName, 121, 1104, 11.2, 12.1.0.2, Microsoft, services , KBA , BC-DB-ORA , Oracle , Problem
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