Solution : https://service.sap.com/sap/support/notes/1005832 (SAP Service marketplace login required)
Key words :
Microsoft platforms: librfc32.dll, librfc32u.dll, sapnwrfc.dll
Related Notes :
1025361 | Support and Availability of the SAP NetWeaver RFC Library |
825494 | Platforms supported by the RFC SDK |
27517 | Installing RFCSDK |