Winsock error 10065

WSAEHOSTUNREACH  -  No route to host.

Basic (Microsoft) information for 10065 a.k.a. WSAEHOSTUNREACH

A socket operation was attempted to an unreachable host. See WSAENETUNREACH.

Detailed (Berkeley) information for winsock 10065, described as "No route to host."

Berkeley description: A socket operation was attempted to an unreachable host.

WinSock description: Same as Berkeley. Unlike Berkeley, however, WinSock v1.1 doesn't ascribe this error to any functions. In it's place, WinSock uses the error WSAENETUNREACH, exclusively.

TCP/IP scenario: In BSD-compatible implementations, the local network system generates this error if there isn't a default route configured. Typically, though, WinSock generates WSAENETUNREACH when it receives a "host unreachable" ICMP message from a router instead of WSAEHOSTUNREACH. The ICMP message means that the router can't forward the IP datagram, possibly because it didn't get a response to the ARP request (which might mean the destination host is down).

User suggestions: see WSAENETUNREACH for details


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