My Oracle Support Banner

ORA-16664 and ORA-12154 In Data Guard Broker Configuration (Doc ID 2350765.1)

Last updated on SEPTEMBER 08, 2021

Applies to:

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

Symptoms

 

NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the Oracle sample schema(s), Public Documentation delivered with an Oracle database product or other training material. Any similarity to actual environments, actual persons, living or dead, is purely coincidental and not intended in any manner.

 

 

For the purposes of this document, the following fictitious environment is used as an example to describe the procedure:

Primary Database:
DB_NAME: orcl02

Standby Database:
DB_UNIQUE_NAME: orcl02_1

Configuration name :- DRFororcl02

3 node Primary RAC Database with single instance standby. Standby is in sync with primary & all archive logs are shipping & applying fine but DG broker configuration is showing ORA-16664 in show configuration.

Testing tnsnames.ora connect identifiers works fine. 

On Primary :

DGMGRL> show configuration

Configuration - DRFororcl02

 Protection Mode: MaxPerformance
 Members:
 orcl02 - Primary database
  orcl02_1 - Physical standby database
  Error: ORA-16664: unable to receive the result from a database

Fast-Start Failover: DISABLED

Configuration Status:
ERROR (status updated 48 seconds ago)

On Standby:

DGMGRL> show configuration

Configuration - DRFororcl02

 Protection Mode: MaxPerformance
 Members:
 orcl02 - Primary database
  Error: ORA-12154: TNS:could not resolve the connect identifier specified

  orcl02_1 - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
ERROR (status updated 0 seconds ago)

Changes

 None

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.