How to fix the Oracle error ORA-28362: master key not found?

In this post, you’ll learn more about the Oracle ErrorORA-28362: master key not found with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28362: master key not found

Reason for the Error ORA-28362: master key not found

The required master key required could not be located. This may be casued by the use of an invalid or incorrect wallet.

How to fix the Error ORA-28362: master key not found ?

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

Check wallet location parameters to see if they specify the correct wallet. Also, verify that an SSO wallet is not being used when an encrypted wallet is intended.