Troubleshooting Guide for ORA-12502 TNS:listener received no CONNECT_DATA from client (Doc ID 453505.1)

Last updated on JUNE 07, 2023

Applies to:

Oracle Net Services - Version 9.2.0.2 and later
Information in this document applies to any platform.

This is a step-by-step troubleshooting guide for error:
ERROR:
ORA - 12502 TNS:listener received no CONNECT_DATA from client

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