How to fix the Oracle error ORA-01187: cannot read from file string because it failed verification tests?

In this post, you’ll learn more about the Oracle ErrorORA-01187: cannot read from file string because it failed verification tests with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01187: cannot read from file string because it failed verification tests

Reason for the Error ORA-01187: cannot read from file string because it failed verification tests

The data file did not pass the checks to insure it is part of the database. Reads are not allowed until it is verified.

How to fix the Error ORA-01187: cannot read from file string because it failed verification tests ?

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

Make the correct file available to the database. Then, either open the database, or execute ALTER SYSTEM CHECK DATAFILES.