How to fix the Oracle error ORA-10456: cannot open standby database; media recovery session may be in progress?

In this post, you’ll learn more about the Oracle ErrorORA-10456: cannot open standby database; media recovery session may be in progress with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-10456: cannot open standby database; media recovery session may be in progress

Reason for the Error ORA-10456: cannot open standby database; media recovery session may be in progress

A media recovery, RMAN, or flashback database session may have been in progress on a mounted instance of a standby database when an attempt was made to open the standby database.

How to fix the Error ORA-10456: cannot open standby database; media recovery session may be in progress ?

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

Check for and cancel any conflicting recovery session and open the standby database.