How to fix the Oracle error NZE-29047: Mismatch in Transport Layer Security extension?

In this post, you’ll learn more about the Oracle ErrorNZE-29047: Mismatch in Transport Layer Security extension with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NZE-29047: Mismatch in Transport Layer Security extension

Reason for the Error NZE-29047: Mismatch in Transport Layer Security extension

Neither side can agree on a TLS extension.

How to fix the Error NZE-29047: Mismatch in Transport Layer Security extension ?

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

Enable tracing and attempt the connection again. Contact Oracle customer support with the trace output.