During the upgrade of Oracle 11g to 12c, you receive the following error by DBUA:
“Listener "LISTENER" already exists”
- SAP release independent
- Oracle 11g
- Windows Operational System
lsnr, listener.ora, DB, database, fail, issue, OracleListenerServiceName, 121, 1104, 11.2, 18.104.22.168, Microsoft, services , KBA , BC-DB-ORA , Oracle , Problem
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