How to fix the Oracle error ORA-02075: another instance changed state of transaction string?

In this post, you’ll learn more about the Oracle ErrorORA-02075: another instance changed state of transaction string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02075: another instance changed state of transaction string

Reason for the Error ORA-02075: another instance changed state of transaction string

A commit force or rollback force was issued from a session in another instance.

How to fix the Error ORA-02075: another instance changed state of transaction string ?

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

Check if another Oracle instance is performing recovery of pending transactions. Query DBA_2PC_PENDING to determine the new state of the transaction.