How to fix the Oracle error ORA-39079: unable to enqueue message string?

In this post, you’ll learn more about the Oracle ErrorORA-39079: unable to enqueue message string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-39079: unable to enqueue message string

Reason for the Error ORA-39079: unable to enqueue message string

The Data Pump’s communication layer was unable to send the specified message on the control or status queue. Subsequent messages will detail the problem.

How to fix the Error ORA-39079: unable to enqueue message string ?

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

Fix the problem if possible, or contact Oracle Customer Support.