How to fix the Oracle error ORA-16637: maximum number of Oracle error numbers for fast-start failover already reached?

In this post, you’ll learn more about the Oracle ErrorORA-16637: maximum number of Oracle error numbers for fast-start failover already reached with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16637: maximum number of Oracle error numbers for fast-start failover already reached

Reason for the Error ORA-16637: maximum number of Oracle error numbers for fast-start failover already reached

The broker could not enable any more Oracle error numbers for initiating a fast-start failover.

How to fix the Error ORA-16637: maximum number of Oracle error numbers for fast-start failover already reached ?

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

Use the DGMGRL CLI SHOW FAST_START FAILOVER command to help identify an Oracle error number that can be disabled before attempting to enable an additional error number for initiating a fast-start failover.