My Oracle Support Banner

Connection via CMAN fails with ORA-12516: TNS:listener Could Not Find Available Handler With Matching Protocol (Doc ID 3047512.1)

Last updated on SEPTEMBER 18, 2024

Applies to:

Oracle Net Services - Version 19.3.0.0.0 and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A to N/A [Release N/A]
Information in this document applies to any platform.

Symptoms

Connection via CMAN fails with ORA-12516: TNS:listener Could Not Find Available Handler With Matching Protocol

Changes

 New CMAN setup

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.