How to fix the Oracle error ORA-01673: data file string has not been identified?

In this post, you’ll learn more about the Oracle ErrorORA-01673: data file string has not been identified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01673: data file string has not been identified

Reason for the Error ORA-01673: data file string has not been identified

This data file was not in the control file after an incomplete recovery or CREATE CONTROLFILE. Since information from its header is needed for standby database recovery, we can not create a standby control file.

How to fix the Error ORA-01673: data file string has not been identified ?

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

Find the file and bring it online. If desired it may be taken offline again. If you intend to drop this file, then taking it offline with the DROP option will avoid this error.