How to fix the Oracle error ORA-06401: NETCMN: invalid driver designator?

In this post, you’ll learn more about the Oracle ErrorORA-06401: NETCMN: invalid driver designator with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06401: NETCMN: invalid driver designator

Reason for the Error ORA-06401: NETCMN: invalid driver designator

The login (connect) string contains an invalid driver designator.

How to fix the Error ORA-06401: NETCMN: invalid driver designator ?

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

Correct the string and re-submit.