Installation :: 2008 R2 / IIS 7.5 Fails To Compile .NET 4 Framework's Web.config?
Nov 15, 2010
I'm using IIS 7.5 on Server 2008 R2 to configure a .Net 4-based website. I've used the Web Deployment Tool to import a known-good, 32-bit Windows 7-based IIS server package. As far as I can tell, the 2008-based IIS server and application pool are now properly configured to use .Net 4, and that the server setup is identical to that of the known-good configuration.The problem I'm having is that when I attempt to load a page on the new site, IIS returns a compilation error of the .Net framework's web.config. The error is copied below. It's my understanding that a properly-configured server shouldn't have any problem compiling this file, so I'm looking for some pointers on what I can do to resolve this. I've verified that:
both .Net 4 and .Net 3.5.1 are installed on the server, the 'default' page at http://localhost loads properly http://localhost/Services, the root folder of my application, can be browsed commenting out the offending System.Xml.Linq namespace simply results in a compilation error of some other namespace in the same group.
Server Error in '/Services' Application.
Compilation Error
Description:An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0234: The type or namespace name 'Linq' does not exist in the namespace 'System.Xml' (are you missing an assembly reference?)
Source Error: Line 400: <add namespace="System.Web.UI.WebControls.WebParts" />Line 401: <add namespace="System.Web.UI.HtmlControls" />Line 402:<add namespace="System.Xml.Linq" />Line 403: </namespaces>Line 404:
Source File: c:WindowsMicrosoft.NETFrameworkv4.0.30319Configweb.config
Line: 402
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1
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