Oracle® Database 8i | 9i | 10g | 11g | 12c | 18c | 19c Error Codes

Information for Database Error Code ORA-12523: TNS:listener could not find instance appropriate for the client connection
Oracle® Database Error ORA-1252318/14

ORA-12523: TNS:listener could not find instance appropriate for the client connection

Cause: The listener could not find any available (database) instances, that are appropriate for the client connection.

Action: Run "lsnrctl services" to ensure that the instance(s) are registered with the listener, and have status READY.

Error Type: ORA

Oracle® Database Error Codes 8i | 9i | 10g | 11g | 12c | 18c | 19c

Record: 1/1

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