Resolving the ORA-12541 Error: Your Roadmap to Listener Success
Resolving the ORA-12541 Error: Your Roadmap to Listener Success
Encountering the ORA-12541 is usually a quick fix.
Verify Your Listener is started
Verify Your Listener is started
First and foremost, ensure that your listener is started on the server by using the command:
lsnrctl status
Otherwise, start the listener up on the server:
lsnrctl start
Once the listener is up and running, retry your database connection.Â
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