Analyze TNS-12541 / ORA-12541: TNS:no listener using tcpdump (Doc ID 2996575.1)

Last updated on JULY 20, 2024

Applies to:

Oracle Net Services - Version 10.2.0.5 and later
Information in this document applies to any platform.

In this note, we will demonstrate how to analyze the root cause of the TNS-12541 / ORA-12541 error using tcpdump.

TNS-12541 / ORA-12541: TNS:no listener

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