PrototypeFolder (User Prototypes) is a frozen container under any of the Ldap user services (ActiveDirectoryUserService, LdapUserService, LdapV3ADUserService, LdapV3UserService). It contains a single frozen “Default Prototype” prototype user, as well as any additional prototype users. To create a new prototype, right-click “User Prototypes”, and select the action “New Prototype”.

For related details, see the following: