How to fix the Oracle error ORA-16829: fast-start failover configuration is lagging?

In this post, you’ll learn more about the Oracle ErrorORA-16829: fast-start failover configuration is lagging with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16829: fast-start failover configuration is lagging

Reason for the Error ORA-16829: fast-start failover configuration is lagging

The fast-start failover target standby database was not within the lag limit specified by the FastStartFailoverLagLimit configuration property. As a result, a fast-start failover could not happen in the event of a primary database failure.

How to fix the Error ORA-16829: fast-start failover configuration is lagging ?

You can fix this error in Oracle by following the below steps

Ensure that the fast-start failover target standby database is running and applying redo data and that the primary database is successfully trasmitting redo data. If this condition persists consider raising the value of the FastStartFailoverLagLimit configuration property.