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

Last updated on JULY 20, 2024

Applies to:

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

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)

New Configuration

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In this Document

Symptoms

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