How to fix the Oracle error TNS-03603: Encountered a node with a version eariler than SQL*Net 2.3?

In this post, you’ll learn more about the Oracle ErrorTNS-03603: Encountered a node with a version eariler than SQL*Net 2.3 with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-03603: Encountered a node with a version eariler than SQL*Net 2.3

Reason for the Error TNS-03603: Encountered a node with a version eariler than SQL*Net 2.3

Cause: Versions of SQL*Net before 2.3 do not support trcroute.

How to fix the Error TNS-03603: Encountered a node with a version eariler than SQL*Net 2.3 ?

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

Action: Find the node that isn’t responding to trcroute.