ORA-16820 In Data Guard Configuration

(Doc ID 2303839.1)

Last updated on SEPTEMBER 04, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.2.0.1 [Release 11.2 to 12.2]
Information in this document applies to any platform.

Symptoms

Error occurs for only one database in the configuration

DGMGRL> show configuration

Configuration - DGCON

Protection Mode: MaxAvailability
Databases:
PRIMDB - Primary database
STDDB - (*) Physical standby database
Error: ORA-16820: fast-start failover observer is no longer observing this database

Fast-Start Failover: ENABLED

Configuration Status:
ERROR

Cause

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