How to fix the Oracle error ORA-12833: Coordinator’s instance not a member of parallel_instance_group?

In this post, you’ll learn more about the Oracle ErrorORA-12833: Coordinator’s instance not a member of parallel_instance_group with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12833: Coordinator’s instance not a member of parallel_instance_group

Reason for the Error ORA-12833: Coordinator’s instance not a member of parallel_instance_group

The coordinator’s instance must be a member of the parallel_instance_group in which this operation will be run.

How to fix the Error ORA-12833: Coordinator’s instance not a member of parallel_instance_group ?

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

Either add the coordinator’s instance to the current parallel_instance_group or change parallel_instance_group.