A Chilkat customer reported a "WSAENETDOWN" error in the last-error information when trying to use FTP2 on Vista. It turned out to be a permissions issue on Windows Vista. When run as administrator, the problem disappears.
The WSAENETDOWN has this error text in the Microsoft Platform SDK: "A socket operation encountered a dead network.". However, the customer’s network was definitely up and operational It turned out to be yet another Vista pitfall…