Broker management of the primary database and all of its standby databases can be disabled using the DISABLE CONFIGURATION command. After disabling the configuration, it won't be possible to fetch any information from the Data Guard broker by using DGMGRL.
DGMGRL> show configuration; Configuration - PACKT Protection Mode: MaxPerformance Databases: turkey_un - Primary database INDIA_UN - Physical standby database Fast-Start Failover: DISABLED Configuration Status: SUCCESS
The current status of the configuration is
DGMGRL> disable configuration; Disabled. ...