My Oracle Support Banner

Sqlnet.Encryption_server = Required -> Tns-04012: Unable To Start Oracle Connection Manager Instance (Doc ID 1304402.1)

Last updated on MARCH 10, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

On : 10.2.0.1 version, RDBMS

When attempting to start Connection Manager the following error occurs.

ERROR
-----------------------
TNS-04012: Unable to start Oracle Connection Manager instance.


STEPS
-----------------------
The issue can be reproduced at will with the following steps:

1. add SQLNET.ENCRYPTION_SERVER = required in the file sqlnet.ora

2. CMCTL:cman> startup

Changes

 

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
References


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