Are you curious about smart card support in Windows 7 and Windows Server 2008 R2? The Windows Smart Card Technical Reference describes the enhancements made to smart card support in the Windows operating system since Windows Vista, the smart card infrastructure in the operating system, the services in Windows that are used with smart cards, how logging on to Windows using a smart card works, and how smart cards can be used with remote desktop. It also includes information about tools that developers can use to debug and troubleshoot smart card applications and a reference to the command-line tools, registry information, and events related to smart cards. We hope you find this reference useful and that you will let us know if there is any other information that you need.
Windows Smart Card Technical Reference