I have been running performance tests on an asp.net mvc 4 application using visual studio 2012 ultimate, the response and the pages per second have been quite high at least when I ran the performance tests with IIS express as the server, but I moved the application to IIS 8 and the pages per second have been very low, never exceeding 1.x even with very low numbers of virtual users. there any configuration changes I need to apply on IIS?

Output caching and Kernel model caching are enabled.

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