Troubleshooting Guide for ORA-12537 / TNS-12537 TNS:Connection Closed
(Doc ID 555609.1)
Last updated on NOVEMBER 10, 2019
Applies to:Oracle Net Services - Version 188.8.131.52 and later
Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Information in this document applies to any platform.
Aid in diagnosing, explaining and resolving the TNS-12537 or "connection closed" error for local or remote connections.
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