This topic describes how to move a Web application from Internet Information Services (IIS) 6.0 to IIS 7.0. Web applications in IIS 7.0 can be configured to use either Classic mode or Integrated mode. Classic mode maintains backward compatibility with earlier versions of IIS by using an ISAPI extension to invoke the ASP.NET runtime. This option usually requires few or no modifications to existing
![IIS 6.0 から IIS 7.0 への ASP.NET アプリケーションの移行](https://cdn-ak-scissors.b.st-hatena.com/image/square/d6e4cb632c7025e9f5e05fd314fbf6dcd6144e8d/height=288;version=1;width=512/https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Fmedia%2Fopen-graph-image.png)