I have been trying to get DotNetNuke to work on my server for sometime now but have not had any luck. I am installing in wwwroot/domain. I do use a .NET 4 application which is located in wwwroot/domain/application. It seems that anytime I install DotNetNuke it works but it seems to break the child application which is on .NET 4.

It does seem to be a known issue if the root application is running on .NET 2 or 3.5. See below:
http://www.asp.net/learn/whitepapers/aspnet4/breaking-changes
Search for "compilerversion" which will result in "ASP.NET 4 Child Applications Fail to Start When Under ASP.NET 2.0 or ASP.NET 3.5 Applications"

Below is the error I am getting on my child application. I have tried doing the work around listed on the asp.net site but either it's not working or I am not using the correct syntex (I rarely manually edit files so I am not familiar with how to format them.

Server Error in '/gallery' Application.

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The value for the 'compilerVersion' attribute in the provider options must be 'v4.0' or later if you are compiling for version 4.0 or later of the .NET Framework. To compile this Web application for version 3.5 or earlier of the .NET Framework, remove the 'targetFramework' attribute from the <compilation> element of the Web.config file.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Configuration.Configurati sException: The value for the 'compilerVersion' attribute in the provider options must be 'v4.0' or later if you are compiling for version 4.0 or later of the .NET Framework. To compile this Web application for version 3.5 or earlier of the .NET Framework, remove the 'targetFramework' attribute from the <compilation> element of the Web.config file.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[Configurati sException: The value for the 'compilerVersion' attribute in the provider options must be 'v4.0' or later if you are compiling for version 4.0 or later of the .NET Framework. To compile this Web application for version 3.5 or earlier of the .NET Framework, remove the 'targetFramework' attribute from the <compilation> element of the Web.config file.]
System.Web.Compilation.MultiTargetingUtil.ValidateCompilerVersionFor40AndAbove(String compilerVersion) +235
System.Web.Compilation.MultiTargetingUtil.ValidateCompilerVersionFor40AndAbove() +76
System.Web.Compilation.MultiTargetingUtil.InitializeTargetFrameworkName() +101
System.Web.Compilation.MultiTargetingUtil.EnsureFrameworkNamesInitialized() +149
System.Web.Compilation.BuildManager.Initialize() +204
System.Web.Compilation.BuildManager.InitializeBuildManager() +246
System.Web.HttpRuntime.HostingInit(HostingEnvironmentFlags hostingFlags, PolicyLevel policyLevel, Exception appDomainCreationException) +350

[HttpException (0x80004005): The value for the 'compilerVersion' attribute in the provider options must be 'v4.0' or later if you are compiling for version 4.0 or later of the .NET Framework. To compile this Web application for version 3.5 or earlier of the .NET Framework, remove the 'targetFramework' attribute from the <compilation> element of the Web.config file.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8950644
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +97
System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +258

So, I edited the file per the asp.net site as a work around and I then got the following error:

Server Error in '/gallery' Application.

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Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: The 'location' start tag on line 33 position 4 does not match the end tag of 'appSettings'. Line 57, position 5.

Source Error:


Line 55: <add key="enableSimpleMembership" value="false" />
Line 56: <add key="autoFormsAuthentication" value="false" />
Line 57: </appSettings>
Line 58: <system.codedom>
Line 59: <compilers>


Source File: C:\Inetpub\wwwroot\imlay.org\web.config Line: 57


I am at a total loss here.... This is on a Windows 2003 Server with IIS 6.

Thanks.