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DG Broker reports "ORA-16642: DB_UNIQUE_NAME mismatch" (Doc ID 2764417.1)

Last updated on APRIL 06, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

We have below fictitious environment to portray this issue.

 

Primary : prmy (Host Name : prmy_host.orcl.com)

Standby : stby (Host Name : stby_host.orcl.com

 

DG Broker reports "ORA-16642: DB_UNIQUE_NAME mismatch", though Log Transport and Apply have no issues.

DGMGRL> show configuration

Configuration - ORCL

Protection Mode: MaxPerformance
Members:
PRMY - Primary database
Error: ORA-16642: DB_UNIQUE_NAME mismatch                          <<++++

STBY - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
ERROR (status updated 0 seconds ago)



Changes

 New Configuration

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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