How to fix the Oracle error ORA-12198: TNS:could not find path to destination?

In this post, you’ll learn more about the Oracle ErrorORA-12198: TNS:could not find path to destination with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12198: TNS:could not find path to destination

Reason for the Error ORA-12198: TNS:could not find path to destination

Could not navigate a path through Interchanges to the destination. This error occurs if an invalid community is in the address string, or the address includes a protocol that is not available or the TNSNAV.ORA file does not have a correct CMANAGER address specified or the Interchange is down.

How to fix the Error ORA-12198: TNS:could not find path to destination ?

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

Assure that Interchanges necessary to get to the desired destination are up and have available capacity for an additional connection. Also check that the correct community and protocol have been specified in the CMANAGER address used.