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Winsock error codes

This is a list of the Microsoft Windows Winsock error codes. These occur whenever an error occurs in background processing in a Winsock connection, such as a failure to connect or a failure to send or receive in the background.

sckOutOfMemory 7 The system is out of memory.

sckInvalidPropertyValue 380 The property value is invalid.

sckGetNotSupported 394 The property cannot be read.

sckSetNotSupported 383 The property is read-only.

sckBadState 40006 Wrong protocol or connection state for the requested transaction or request.

sckInvalidArg 40014 The parameter passed to a function is not in the correct format or in the specified range.

sckSuccess 40017 Successful.

sckUnsupported 40018 Unsupported variant type.

sckInvalidOp 40020 Invalid operation at current state.

sckOutOfRange 40021 Parameter is out of range.

sckWrongProtocol 40026 Wrong protocol for the requested transaction or request.

sckOpCanceled 1004 The operation is canceled.

sckInvalidArgument 10014 The requested address is a broadcast address, but flag is not set.

sckWouldBlock 10035 Socket is non-blocking and the specified operation will block.

sckInProgress 10036 A blocking Winsock operation in progress.

sckAlreadyComplete 10037 The operation is completed. No blocking operation in progress.

sckNotSocket 10038 The descriptor is not a socket.

sckMsgTooBig 10040 The datagram is too large to fit into the buffer and therefore is truncated.

sckPortNotSupported 10043 The specified port is not supported.

sckAddressInUse 10048 Address in use.

sckAddressNotAvailable 10049 Address unavailable from the local computer.

sckNetworkSubsystemFailed 10050 Network subsystem failed.

sckNetworkUnreachable 10051 The network cannot be reached from this host at this time.

sckNetReset 10052 Connection has timed out.

sckConnectAborted 10053 Connection aborts due to timeout or other failure.

sckConnectionReset 10054 The connection is reset by the remote device.

sckNoBufferSpace 10055 Buffer space is unavailable.

sckAlreadyConnected 10056 Socket is already connected.

sckNotConnected 10057 Socket is not connected.

sckSocketShutdown 10058 Socket has been shut down.

sckTimedout 10060 Socket has been shut down.

sckConnectionRefused 10061 Connection is forcefully rejected.

sckNotInitialized 10093 WinsockInit should be called first.

sckHostNotFound 11001 Authoritative answer: Host not found.

sckHostNotFoundTryAgain 11002 Non-Authoritative answer: Host not found.

sckNonRecoverableError 11003 Non-recoverable errors.

sckNoData 11004 Valid name; no data record of requested type.


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