How to fix the Oracle error ORA-09958: IMON: two processes with the same ORACLE pid are active?

In this post, you’ll learn more about the Oracle ErrorORA-09958: IMON: two processes with the same ORACLE pid are active with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-09958: IMON: two processes with the same ORACLE pid are active

Reason for the Error ORA-09958: IMON: two processes with the same ORACLE pid are active

The IMON process was unable to add an entry for a server process because another active process occupies the slot.

How to fix the Error ORA-09958: IMON: two processes with the same ORACLE pid are active ?

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

This is an internal error, contact ORACLE support.