How to fix the Oracle error PRKH-03003: An attempt to communicate with the CSS daemon failed?

In this post, you’ll learn more about the Oracle ErrorPRKH-03003: An attempt to communicate with the CSS daemon failed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRKH-03003: An attempt to communicate with the CSS daemon failed

Reason for the Error PRKH-03003: An attempt to communicate with the CSS daemon failed

Cause: CSS daemon is not running.

How to fix the Error PRKH-03003: An attempt to communicate with the CSS daemon failed ?

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

Action: Ensure that CSS daemon is running.