Error ORA-16698 while configuring oracle DG broker

I think the solution for this problem is to remove the data guard configuration and do the configuration again.

Here below is the steps to solve the error encountered while doing your configuration:

• Remove the Data guard Broker Configuration

  DGMGRL> connect sys/orcl@to_primary
  Connected to "primary"
  Connected as SYSDG
   DGMGRL> remove configuration;
  Removed configuration

• Disable log_archive_dest_2  parameter file on both primary and standby database

  SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_2='' scope=both;
   System altered.

• Disable Data guard Broker on both primary and standby database.

  SQL> alter system set dg_broker_start=false scope=both;
   System altered.

• And again Enable Data guard Broker on both primary and standby database.

  SQL> alter system set dg_broker_start=true scope=both;
   System altered.

• Configure Data guard Broker on primary database.

  DGMGRL> create configuration 'BROKER_Config' as primary database is 'primary' connect identifier is to_primary;
  Configuration "BROKER_Config" created with primary database "primary"
   DGMGRL> Add database 'standby' as connect identifier is to_standby maintained as physical;
  Database "standby" added
   DGMGRL> show configuration
   Configuration - BROKER_Config
     Protection Mode: MaxPerformance
    Members:
    primary - Primary database
      standby - Physical standby database
   Fast-Start Failover: DISABLED
   Configuration Status:
  DISABLED

• Enable LOG_ARCHIVE_DEST_2  parameter file on both primary and physical standby database.

  ----On Primary
   SQL> ALTER SYSTEM SET Log_archive_dest_2='Service=to_standby  lgwr sync VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) db_unique_name=standby' scope=both;
   System altered.
  ---- On Standby
   SQL > ALTER SYSTEM SET Log_archive_dest_2='Service=to_primary  lgwr sync VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) db_unique_name=primary' scope=both;
   System altered.

• Enable LOG_ARCHIVE_CONFIG on both primary and standby database.

  SQL> ALTER SYSTEM SET LOG_ARCHIVE_CONFIG='DG_CONFIG=(primary,standby)' scope=both;
   System altered.

•  Then enable data guard broker configuration.

  DGMGRL> enable configuration;
  Enabled.
  DGMGRL>
   GMGRL> show configuration
   Configuration - BROKER_Config
     Protection Mode: MaxPerformance
    Members:
    primary - Primary database
      standby - Physical standby database
   Fast-Start Failover: DISABLED
   Configuration Status:
  SUCCESS   (status updated 42 seconds ago)

You can also refer the Data guard configuration that I have implemented on my machine on windows environment.

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