Cracking informational post from Scott Guthrie - and I can't believe I'd never heard of this before!! Original post from Scott: http://weblogs.asp.net/scottgu/archive/2005/10/06/426755.aspx: Basically, if you place a file with this name in the root of a web application directory, ASP.NET 2.0 will shut-down the application, unload the application domain from the server, and stop processing... Continue Reading →