This option is useful in organizations where you want your users to use OpenID and two-factor authentication when logging in to TARGIT. You will then be able to disable the Windows Security login options.
Windows security (including OpenID provider), the login screen will look like this:
OpenID connect only, the login screen will look like this:
Important: After enabling the 'OpenID Connect only' setting, you should revisit your Rights groups. The members of the Rights groups may need to be adjusted. E.g., you may need to add OpenID groups, individual OpenID users or 'Everyone' to your groups.
Note: Enabling 'OpenID Connect only' will limit the login options on the Windows client as well as on the Anywhere client.