Troubleshooting Guide for ORA-12541 TNS: No Listener
(Doc ID 2059450.1)
Last updated on MARCH 31, 2022
Applies to:Oracle Net Services - Version 10.2.0.4 to 184.108.40.206.0 [Release 10.2 to 19]
Oracle Database - Enterprise Edition - Version 10.2.0.4 to 220.127.116.11.0 [Release 10.2 to 18]
Information in this document applies to any platform.
This document contains instructions for troubleshooting the ORA-12541 TNS: No listener error. It does not cover "failure to start" listener issues.
This document has been created to aid in troubleshooting the ORA-12541 TNS: No Listener error. Specifically when that error has been thrown at a remote client.
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