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Troubleshooting Guide - ORA-20: Maximum Number Of Processes (%S) Exceeded (Doc ID 1287854.1)

Last updated on OCTOBER 10, 2023

Applies to:

Oracle Database - Standard Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database - Enterprise Edition - Version 12.2.0.1 to 12.2.0.1 [Release 12.2]
Oracle Net Services - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.3 [Release 10.1 to 11.2]
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

What are the recommended steps to diagnose an ORA-20 - maximum number of processes (%s) exceeded?

Cause

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In this Document
Symptoms
Cause
Solution
 Troubleshooting Steps
 Workaround
 How to Avoid ORA-20 Error
 Known Issue
References


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