ORA-16693: requirements not met for enabling fast-start failover

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ORA-16693: requirements not met for enabling fast-start failover

ORA-16693: requirements not met for enabling fast-start failover
Cause: The attempt to enable fast-start failover could not be completed because one or more requirements were not met: – The effective redo transport mode for both the primary database and the fast-start failover target standby database must be set to either SYNC or FASTSYNC if the configuration protection mode is set to MaxProtection or MaxAvailability mode. – The effective redo transport mode for both the primary database and the fast-start failover target standby database must be set to ASYNC if the configuration protection mode is set to MaxPerformance mode. – No valid target standby database was specified in the primary database FastStartFailoverTarget property prior to the attempt to enable fast-start failover, and more than one standby database exists in the Oracle Data Guard configuration. – fast-start failover target standby database did not receive redo data directly from the primary database when the protection mode was set to MaxPerformance mode. – The primary database has multiple routes to the fast-start failover target standby database. – Logical standby databases could not be the fast-start failover targets because the configuration protection mode was set to MaxProtection mode.

Action: Retry the command after correcting the issue: – Ensure that the effective redo transport mode for both the primary database and the fast-start failover target standby database are either SYNC or FASTSYNC if the configuration protection mode is set to MaxProtection or MaxAvailability mode. – Ensure that the LogXptMode property for both the primary database and the fast-start failover target standby database are set to ASYNC if the configuration protection mode is set to MaxPerformance mode. – Ensure the RedoRoutes property of the primary includes the name of the fast-start failover target standby database when the protection mode is set to maximum performance mode. – Ensure the RedoRoutes property of the primary database has only one route to the fast-start failover target standby database.