How to fix the error ORA-00125: connection refused; invalid presentation?

In this post, you’ll learn more about the Oracle ErrorORA-00125: connection refused; invalid presentation with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00125: connection refused; invalid presentation

Reason for the Error ORA-00125: connection refused; invalid presentation

The PRESENTATION in the CONNECT_DATA of the TNS address DESCRIPTION is not correct or is not supported.

How to fix the Error ORA-00125: connection refused; invalid presentation ?

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

Correct the PRESENTATION specified in the TNS address.