How to fix the Oracle error ORA-25405: transaction status unknown?

In this post, you’ll learn more about the Oracle ErrorORA-25405: transaction status unknown with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25405: transaction status unknown

Reason for the Error ORA-25405: transaction status unknown

A failure occured while a transaction was attempting to commit. Failover could not automatically determine instance status.

How to fix the Error ORA-25405: transaction status unknown ?

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

The user must determine the transaction’s status manually.