system

http://blog.xuite.net/ronan863/blog/124389029-WIN7%E7%A7%BB%E9%99%A4%E5%85%B1%E7%94%A8%E5%BE%8C%E8%B3%87%E6%96%99%E5%A4%BE%E5%87%BA%E7%8F%BE%E5%B0%8F%E9%8E%96%E9%A0%AD%E7%AC%A6%E8%99%9F

http://www.itprotoday.com/management-mobility/disabling-logging-anonymous-logon-events