How to fix the Oracle error ORA-12231: TNS:No connection possible to destination?

In this post, you’ll learn more about the Oracle ErrorORA-12231: TNS:No connection possible to destination with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12231: TNS:No connection possible to destination

Reason for the Error ORA-12231: TNS:No connection possible to destination

This error is reported by an interchange which fails to find a possible connection along the path to the destination.

How to fix the Error ORA-12231: TNS:No connection possible to destination ?

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

Report the problem to your Network Administrator so that he may fix the problem.