ASP.NET Performance Counters on Windows Client + IIS Express

Posted by on September 13, 2012

I learned recently that ASP.NET performance counters are not available on Windows 7 or 8 (client) when running with IIS Express (or the Dev10 default of Cassini).  Fortunately, the fix is easy: run Visual Studio as Administrator.

If you’re using IIS Express without Visual Studio installed (for example, WebMatrix), then you’ll first need to install ASP.NET 4.5 features:

dism /online /enable-feature /featureName:NetFx4Extended-ASPNET45 /all

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