How to fix the Oracle error ORA-01149: cannot shutdown – file string has online backup set?

In this post, you’ll learn more about the Oracle ErrorORA-01149: cannot shutdown – file string has online backup set with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01149: cannot shutdown – file string has online backup set

Reason for the Error ORA-01149: cannot shutdown – file string has online backup set

An attempt to shutdown normally found that an online backup is still in progress.

How to fix the Error ORA-01149: cannot shutdown – file string has online backup set ?

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

End the backup of the offending tablespace and retry this command.