Error in ASP.NET Registration

Microsoft .NET Framework 2.0 or greater is required for the AS2 module, Advanced Workflows Engine, and for the Secure Ad Hoc Transfer (SAT) module version 1.7.2 and earlier. SAT version 1.7.3 and later requires .NET Framework version 3.5.

To run the ASP.NET Registration Tool

For more information about the ASP.NET IIS Registration Tool (aspnet_regiis.exe), refer to
http://msdn2.microsoft.com/en-us/library/k6h9cz8h(VS.80).aspx
.