How to fix the error ORA-00107: failed to connect to ORACLE listener process?

In this post, you’ll learn more about the Oracle ErrorORA-00107: failed to connect to ORACLE listener process with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00107: failed to connect to ORACLE listener process

Reason for the Error ORA-00107: failed to connect to ORACLE listener process

Most likely due to the fact that ORACLE listener has not been started.

How to fix the Error ORA-00107: failed to connect to ORACLE listener process ?

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

Start ORACLE listener if it has not been started. Or else contact your ORACLE representative.