title: Eventviewer eventid for lock and unlock
body: <p>What is the event id in Event Viewer for lock, unlock for a computer in Windows&nbsp;XP, Windows&nbsp;7, <a href="http://en.wikipedia.org/wiki/Windows_Vista" rel="noreferrer">Windows&nbsp;Vista</a> and <a href="http://en.wikipedia.org/wiki/Windows_Server_2008" rel="noreferrer">Windows Server 2008</a>?</p>