(1) A password notification email is sent from the "umail.portal.ntt.net" domain. Check if your setting allows receipt of emails from this domain.
(2) A password notification email is not sent when you only register a new vClient. After registration, open the "Edit vClient" screen and click the "Send" button.
(3) Then, you are able to receive password notification email which title is "[Arcstar Universal One Virtual] Notice of information about client connection."
After confirmed "User ID" and "Password" in this email, please setting to vApp and connect virtual network.