SAP Connector for Microsoft .NET 3.0 (NCo 3.0) allows developers to use BAPIs and remote-enabled function modules in any .NET application (inside-out). You can also access .NET components from any ABAP application by implementing an RFC server in .NET (outside-in). See SAP Note 856863 for details about availability and platform requirements.
The main differences to NCo 2.0 are:
The .NET 2.0 variant of NCo 3.0 requires the Microsoft C++ Runtime DLLs version 8.0 (this is contained in Microsoft Visual C++ 2005 SP1 Redistributables) Please see SAP Note 684106 for details about downloading and installing this runtime.
The .NET 4.0 variant of NCo 3.0 requires the Microsoft C++ Runtime DLLs version 10.0 (this is contained in Microsoft Visual C++ 2010 Redistributables). You can get the MSI installer from the Microsoft download pages:
Report any problems under the following components: