Using Microsoft Test Manager (which is part of Visual Studio 2010 Ultimate and Visual Studio 2010 Test Professional) you can run tests inside Microsoft Test Manager and record IntelliTrace (iTrace files) data on the instance of IIS which is running your ASP.NET web site.  There’s quite a bit of excitement around the IntelliTrace functionality and this scenario is a big deal when it comes to solving the ‘no repro’ problem when web site testing.  You can learn more about Microsoft Test Manager at http://msdn.microsoft.com/en-us/library/bb385901(VS.100).aspx.

Since I spent quite a bit of time on this on this week, hope this saves you some time:
If you’re capturing IntelliTrace data from Microsoft Test Manager on IIS, make sure to run Microsoft Test Manager as Administrator.  MTM needs to be admin to reset IIS in order to capture data from IIS.  If you do not run MTM as Administrator, MTM will not provide an error and will not add the iTrace file to the test run.

Happy Friday!