.NET 4.0 Application under SharePoint 2007
How do I get a .NET 4.0 application to coexit as an application under a SharePoint 2007 Website in IIS v7 ?
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Hemant KumarPosted Nov 9, 2011, 12:14 AM
Mark As "Accepted Answer" if it is useful to you.
Arjun PanwarPosted Nov 8, 2011, 7:47 AM
Hemant KumarPosted Nov 7, 2011, 2:12 AM
Officially I don't think this configuration is supported yet. See the ASP.Net 4 breaking changes whitepaper.
Unofficially, you should be able to fix the problem by changing the trust level in your web.config file from
WSS_MinimaltoFull. This is NOT recommended though.