Winsock-Error.com shows you detailed help for each of the error messages that an application such as Outlook Express may show you when it encounters a problem automating Winsock.
When you already know the Winsock error number, simply click on the link, such as 11004 - WSANO_DATA, which will take you to the page for that error message. There you will see detailed information about the cause of this issue.

Search for a Winsock error

Search for code by number, code name or error message:
(e.g. 10053, WSAECONNABORTED or aborted.)
 

Full and complete list of Winsock error codes

Winsock error numberError codeError message
Winsock error 0No errorNo error
Winsock error 6WSA_INVALID_HANDLESpecified event object handle is invalid.
Winsock error 8WSA_NOT_ENOUGH_MEMORYInsufficient memory available.
Winsock error 87WSA_INVALID_PARAMETEROne or more parameters are invalid.
Winsock error 995WSA_OPERATION_ABORTEDOverlapped operation aborted.
Winsock error 996WSA_IO_INCOMPLETEOverlapped I/O event object not in signaled state.
Winsock error 997WSA_IO_PENDINGOverlapped operations will complete later.
Winsock error 10004WSAEINTRInterrupted function call.
Winsock error 10009WSAEBADFFile handle is not valid.
Winsock error 10013WSAEACCESPermission denied.
Winsock error 10014WSAEFAULTBad address.
Winsock error 10022WSAEINVALInvalid argument.
Winsock error 10024WSAEMFILEToo many open files.
Winsock error 10035WSAEWOULDBLOCKResource temporarily unavailable.
Winsock error 10036WSAEINPROGRESSOperation now in progress.
Winsock error 10037WSAEALREADYOperation already in progress.
Winsock error 10038WSAENOTSOCKSocket operation on nonsocket.
Winsock error 10039WSAEDESTADDRREQDestination address required.
Winsock error 10040WSAEMSGSIZEMessage too long.
Winsock error 10041WSAEPROTOTYPEProtocol wrong type for socket.
Winsock error 10042WSAENOPROTOOPTBad protocol option.
Winsock error 10043WSAEPROTONOSUPPORTProtocol not supported.
Winsock error 10044WSAESOCKTNOSUPPORTSocket type not supported.
Winsock error 10045WSAEOPNOTSUPPOperation not supported.
Winsock error 10046WSAEPFNOSUPPORTProtocol family not supported.
Winsock error 10047WSAEAFNOSUPPORTAddress family not supported by protocol family.
Winsock error 10048WSAEADDRINUSEAddress already in use.
Winsock error 10049WSAEADDRNOTAVAILCannot assign requested address.
Winsock error 10050WSAENETDOWNNetwork is down.
Winsock error 10051WSAENETUNREACHNetwork is unreachable.
Winsock error 10052WSAENETRESETNetwork dropped connection on reset.
Winsock error 10053WSAECONNABORTEDSoftware caused connection abort.
Winsock error 10054WSAECONNRESETConnection reset by peer.
Winsock error 10055WSAENOBUFSNo buffer space available.
Winsock error 10056WSAEISCONNSocket is already connected.
Winsock error 10057WSAENOTCONNSocket is not connected.
Winsock error 10058WSAESHUTDOWNCannot send after socket shutdown.
Winsock error 10059WSAETOOMANYREFSToo many references.
Winsock error 10060WSAETIMEDOUTConnection timed out.
Winsock error 10061WSAECONNREFUSEDConnection refused.
Winsock error 10062WSAELOOPCannot translate name.
Winsock error 10063WSAENAMETOOLONGName too long.
Winsock error 10064WSAEHOSTDOWNHost is down.
Winsock error 10065WSAEHOSTUNREACHNo route to host.
Winsock error 10066WSAENOTEMPTYDirectory not empty.
Winsock error 10067WSAEPROCLIMToo many processes.
Winsock error 10068WSAEUSERSUser quota exceeded.
Winsock error 10069WSAEDQUOTDisk quota exceeded.
Winsock error 10070WSAESTALEStale file handle reference.
Winsock error 10071WSAEREMOTEItem is remote.
Winsock error 10091WSASYSNOTREADYNetwork subsystem is unavailable.
Winsock error 10092WSAVERNOTSUPPORTEDWinsock.dll version out of range.
Winsock error 10093WSANOTINITIALISEDSuccessful WSAStartup not yet performed.
Winsock error 10101WSAEDISCONGraceful shutdown in progress.
Winsock error 10102WSAENOMORENo more results.
Winsock error 10103WSAECANCELLEDCall has been canceled.
Winsock error 10104WSAEINVALIDPROCTABLEProcedure call table is invalid.
Winsock error 10105WSAEINVALIDPROVIDERService provider is invalid.
Winsock error 10106WSAEPROVIDERFAILEDINITService provider failed to initialize.
Winsock error 10107WSASYSCALLFAILURESystem call failure.
Winsock error 10108WSASERVICE_NOT_FOUNDService not found.
Winsock error 10109WSATYPE_NOT_FOUNDClass type not found.
Winsock error 10110WSA_E_NO_MORENo more results.
Winsock error 10111WSA_E_CANCELLEDCall was canceled.
Winsock error 10112WSAEREFUSEDDatabase query was refused.
Winsock error 11001WSAHOST_NOT_FOUNDHost not found.
Winsock error 11002WSATRY_AGAINNonauthoritative host not found.
Winsock error 11003WSANO_RECOVERYThis is a nonrecoverable error.
Winsock error 11004WSANO_DATAValid name, no data record of requested type.
Winsock error 11005WSA_QOS_RECEIVERSQOS receivers.
Winsock error 11006WSA_QOS_SENDERSQOS senders.
Winsock error 11007WSA_QOS_NO_SENDERSNo QOS senders.
Winsock error 11008WSA_QOS_NO_RECEIVERSQOS no receivers.
Winsock error 11009WSA_QOS_REQUEST_CONFIRMEDQOS request confirmed.
Winsock error 11010WSA_QOS_ADMISSION_FAILUREQOS admission error.
Winsock error 11011WSA_QOS_POLICY_FAILUREQOS policy failure.
Winsock error 11012WSA_QOS_BAD_STYLEQOS bad style.
Winsock error 11013WSA_QOS_BAD_OBJECTQOS bad object.
Winsock error 11014WSA_QOS_TRAFFIC_CTRL_ERRORQOS traffic control error.
Winsock error 11015WSA_QOS_GENERIC_ERRORQOS generic error.
Winsock error 11016WSA_QOS_ESERVICETYPEQOS service type error.
Winsock error 11017WSA_QOS_EFLOWSPECQOS flowspec error.
Winsock error 11018WSA_QOS_EPROVSPECBUFInvalid QOS provider buffer.
Winsock error 11019WSA_QOS_EFILTERSTYLEInvalid QOS filter style.
Winsock error 11020WSA_QOS_EFILTERTYPEInvalid QOS filter type.
Winsock error 11021WSA_QOS_EFILTERCOUNTIncorrect QOS filter count.
Winsock error 11022WSA_QOS_EOBJLENGTHInvalid QOS object length.
Winsock error 11023WSA_QOS_EFLOWCOUNTIncorrect QOS flow count.
Winsock error 11024WSA_QOS_EUNKOWNPSOBJUnrecognized QOS object.
Winsock error 11025WSA_QOS_EPOLICYOBJInvalid QOS policy object.
Winsock error 11026WSA_QOS_EFLOWDESCInvalid QOS flow descriptor.
Winsock error 11027WSA_QOS_EPSFLOWSPECInvalid QOS provider-specific flowspec.
Winsock error 11028WSA_QOS_EPSFILTERSPECInvalid QOS provider-specific filterspec.
Winsock error 11029WSA_QOS_ESDMODEOBJInvalid QOS shape discard mode object.
Winsock error 11030WSA_QOS_ESHAPERATEOBJInvalid QOS shaping rate object.
Winsock error 11031WSA_QOS_RESERVED_PETYPEReserved policy QOS element type.
[Home] [Full list of Winsock Error codes]
[Peer Monitor - network monitoring tool] [DanielClarke.com] [Hungarian language course]