I was creating an Oracle Data Guard environment when I got the following error while I was creating the password file: And the reason behind this error is that Oracle Corporation has been working hard to ensure more security in their database releases. Therefore, from the Oracle database release version 12.2, Oracle has changed some policies within passwords, and due to it, no longer weak passwords are allowed unless you want to. The new requirements about passwords that are allowed can be found in the chapter “3 Configuring Authentication” of…