How to fix the Oracle error ORA-01256: error in locking database file string?

In this post, you’ll learn more about the Oracle ErrorORA-01256: error in locking database file string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01256: error in locking database file string

Reason for the Error ORA-01256: error in locking database file string

The file is in use by another database instance.

How to fix the Error ORA-01256: error in locking database file string ?

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

Determine which database instance legitimately owns the file.