How to fix the Oracle error CRS-02002: connection by user string to string refused?

In this post, you’ll learn more about the Oracle ErrorCRS-02002: connection by user string to string refused with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-02002: connection by user string to string refused

Reason for the Error CRS-02002: connection by user string to string refused

Cause: User command cannot connect to the target process.

How to fix the Error CRS-02002: connection by user string to string refused ?

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

Action: The user may not have sufficient privilege to connect.