How to fix the Oracle error ORA-09961: Unable to restore termination signal handler?

In this post, you’ll learn more about the Oracle ErrorORA-09961: Unable to restore termination signal handler with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-09961: Unable to restore termination signal handler

Reason for the Error ORA-09961: Unable to restore termination signal handler

ORACLE failed to set the handler for the termination signal to its previous value.

How to fix the Error ORA-09961: Unable to restore termination signal handler ?

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

This is an internal error, contact ORACLE support.