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Editorial Team
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Asked: 2026-05-26T16:00:30+00:00

After installing service pack 1 for Visual Studio 2010 cannot create web site in

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After installing service pack 1 for Visual Studio 2010 cannot create web site in IIS. Here is error message:

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Microsoft Visual Studio
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Configuring Web http://localhost/MyWebSite for ASP.NET 3.5 failed.
You must manuallyconfigure this site for ASP.NET 3.5 in order for
the site to run correctly. Visual Studio cannot detect whether this
virtual root has been configured for use with ASP.NET 2.0. The likely
cause is that you do not have sufficient priviledges to access the
IIS metabase. You may need to manually configure this site for
ASP.NET 2.0 in order for your site to run correctly.
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OK   Help   
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Does anybody know how to fix it ? Thanks!

P.S. I’m using windows7 x64.

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1 Answer

  1. Editorial Team

    This happened to me when I deleted the default application pool.

    Thanks to a Microsoft Connect report, I was able to solve this by choosing a new default application pool under the “Web Site Defaults” properties of the Sites node in the IIS 7 Manager tree.

    Screenshot of the "Web Site Defaults" properties window

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