How to fix the Oracle error ORA-12547: TNS:lost contact?

In this post, you’ll learn more about the Oracle ErrorORA-12547: TNS:lost contact with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12547: TNS:lost contact

Reason for the Error ORA-12547: TNS:lost contact

Partner has unexpectedly gone away, usually during process startup.

How to fix the Error ORA-12547: TNS:lost contact ?

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

Investigate partner application for abnormal termination. On an Interchange, this can happen if the machine is overloaded.