I have found that our ASP.NET application runs differently on different machines in IIS Express. All have VS 2012, .Net 4.5 and Integrated mode. But some has VS 2012 Update 1, some not.
How do I find IIS Express version?
The most current version of the product is IIS 7.5 Express.
Internet Information Services (IIS) 8.0 Express is a free, simple and self-contained version of IIS that is optimized for developers. IIS 8.0 Express makes it easy to use the most current version of IIS to develop and test websites in development tools like Visual Studio and WebMatrix.
IIS 7 is a single user application. IIS Developer express supports multi developer environment. Configuration files, settings, and Web content are maintained on a per-user basis.
Yes, Visual Studio 2010 SP1 Beta allows you to build and test web applications using IIS Express instead of the built-in ASP.NET Development Web Server (also known as Cassini). IIS Express is not included with VS 10 SP1 and will need to be installed separately.
Browse to "C:\Program Files\IIS Express"
, select the file iisexpress.exe
, press Alt+Enter to open the properties dialog, click on the Details tab and read the product version.
HttpRuntime.IISVersion
will give you the major and minor version of IIS (e.g., 8.0).
System.Diagnostics.Process.GetCurrentProcess().MainModule.FileVersionInfo
will give you much more information, including the file version and build flavor (e.g., 8.0.8418.0 (winmain(eokim).120521-1311)).
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