Interactive logon: Require smart card Microsoft recommends that you use this setting, if appropriate to your environment and your organization's business requirements, to help protect end user computers. This policy setting requires users to log on to a computer with a smart card. Note: This setting applies to Windows 2000 computers, but it is not available through the Security Configuration Manager tools on these computers.

(1) GPO: Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options!Interactive logon: Require smart card (2) REG: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System!scforceoption