When you start ASPX and ASMX programming, the default IIS setings are commonly messed up. The solution is not well documented. The configuration process requires this command in order to work properly.
This properly configures IIS: aspnet_regiis.exe -i aspnet_regiis can normally be found: C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322 These are common commands for IIS: iisreset /start iisreset /status iisreset /stop