Troubleshooting Guide for TNS-12518 TNS listener could not hand off client connection
(Doc ID 550859.1)
Last updated on JULY 26, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.2.0.1 [Release 11.2 to 12.2] Oracle Net Services - Version 10.1.0.5 to 12.2.0.1 [Release 10.1 to 12.2] Information in this document applies to any platform.
Purpose
This article discusses how to troubleshoot the ORA-12518/TNS-12518 listener errors.
Troubleshooting Steps
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