V-Spark Online Help

Creating a User Account with External Authentication

Important

When creating a user account that will be integrated with an external authorization mechanism, the Username for the account that you are creating must be the same in V‑Spark as it is in the external authorization mechanism. This username may be a simple username, an email address, or a "user principle name" (UPN), depending on the service.

If the Create New User dialog shows an option to use external authentication, your V‑Spark installation has been configured to use either internal or external authentication, as in the following screenshot of the Create New User dialog: