You can enable two-step verification for all users of Administration Server if your account has the Modify object ACLs right in the General features: User permissions functional area and if you are authenticated by using two-step verification. If you did not enable two-step verification for your account before enabling it for all users, the application opens the window for enabling two-step verification for your own account.
To enable two-step verification for all users:
Two-step verification is enabled for all users. From now on, all users of Administration Server, including the users that were added after enabling this option, have to configure two-step verification for their accounts, except for the users whose accounts are excluded from two-step verification.