How to fix the Oracle error ORA-28170: unsupported certificate version?

In this post, you’ll learn more about the Oracle ErrorORA-28170: unsupported certificate version with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28170: unsupported certificate version

Reason for the Error ORA-28170: unsupported certificate version

The version of the certificate from which the server is to extract the credentials of the client is not supported.

How to fix the Error ORA-28170: unsupported certificate version ?

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

Specify a supported version.