How to fix the Oracle error ORA-12803: parallel query server lost contact with another server?

In this post, you’ll learn more about the Oracle ErrorORA-12803: parallel query server lost contact with another server with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12803: parallel query server lost contact with another server

Reason for the Error ORA-12803: parallel query server lost contact with another server

A parallel query server lost contact with another server.

How to fix the Error ORA-12803: parallel query server lost contact with another server ?

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

Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services.