The Remote Users list does not recognize whether users authenticate with a Radius, LDAP, or an Active Directory server. As you enter users, note on which authentication servers their information exists.
In order for a remote user to access the appliance, you must set the applicable authentication server in the Server Name list. If a user authenticates with the LDAP server, and you want them to access the appliance, set the Server Name to LDAP. Find this setting at .