Let me confess, I had to cook this up to give you this example. It happened to my colleague some days back when he developed a simple WCF application on Windows Server 2003 using VS2003. He selected “Target Framework 3.0” in the Property Page of that Web Site. He then deployed the application on his Win7 machine which has VS2010 with .net 4.0 installed. He fires the Web Site http://localhost/Service.svc and he gets “HTTP 404.17 – Not Found” when running the Web Site under Classic .NET AppPool.... [More]

I was testing a simple WCF application deployed on my IIS 7.5 machine. This was working fine on my development Windows 7 IIS 7.5 client machine but as soon as I deployed it on my Windows Server 2008 R2 IIS 7.5 machine the application threw the following error: HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. Here’s what we need to keep in mind. Check the error code 0x80070032. You wi... [More]