How to fix the Oracle error ORA-39701: database must be mounted EXCLUSIVE for UPGRADE or DOWNGRADE?

In this post, you’ll learn more about the Oracle ErrorORA-39701: database must be mounted EXCLUSIVE for UPGRADE or DOWNGRADE with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-39701: database must be mounted EXCLUSIVE for UPGRADE or DOWNGRADE

Reason for the Error ORA-39701: database must be mounted EXCLUSIVE for UPGRADE or DOWNGRADE

The database was mounted for SHARED cluster access.

How to fix the Error ORA-39701: database must be mounted EXCLUSIVE for UPGRADE or DOWNGRADE ?

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

Set the CLUSTER_DATABASE initialization parameter to FALSE and restart the server with the UPGRADE or DOWNGRADE option.