Hi cj-techarch,The supported configurations for LC ES3 is :
http://help.adobe.com/en_US/livecycle/10.0/supported_platforms.htmlThe
configuration mentioned above by you has not been tested at our
end.Ideally since 12c DB fully supports 11g client, so you should be
able to make it work. You will have to install and check.Regards,Ravi