Bad protocol option. An unknown, invalid or unsupported option or level was specified in a getsockopt or setsockopt call. Protocol not supported. The requested protocol has not been configured into the system, or no implementation for it exists.
Socket type not supported. The support for the specified socket type does not exist in this address family. Operation not supported. The attempted operation is not supported for the type of object referenced. Usually this occurs when a socket descriptor to a socket that cannot support this operation is trying to accept a connection on a datagram socket. Protocol family not supported. The protocol family has not been configured into the system or no implementation for it exists.
Address family not supported by protocol family. An address incompatible with the requested protocol was used. This error is returned if an incorrect protocol is explicitly requested in the socket call, or if an address of the wrong family is used for a socket, for example, in sendto.
Address already in use. Client applications usually need not call bind at all— connect chooses an unused port automatically. Cannot assign requested address.
The requested address is not valid in its context. This normally results from an attempt to bind to an address that is not valid for the local computer. Network is down. A socket operation encountered a dead network. This could indicate a serious failure of the network system that is, the protocol stack that the Windows Sockets DLL runs over , the network interface, or the local network itself.
Network is unreachable. A socket operation was attempted to an unreachable network. This usually means the local software knows no route to reach the remote host. Network dropped connection on reset. The connection has been broken due to keep-alive activity detecting a failure while the operation was in progress. Software caused connection abort. An established connection was aborted by the software in your host computer, possibly due to a data transmission time-out or protocol error.
Connection reset by peer. An existing connection was forcibly closed by the remote host. This error may also result if a connection was broken due to keep-alive activity detecting a failure while one or more operations are in progress.
No buffer space available. An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. Socket is already connected. A connect request was made on an already-connected socket. Socket is not connected. A request to send or receive data was disallowed because the socket is not connected and when sending on a datagram socket using sendto no address was supplied.
Cannot send after socket shutdown. A request to send or receive data was disallowed because the socket had already been shut down in that direction with a previous shutdown call.
By calling shutdown a partial close of a socket is requested, which is a signal that sending or receiving, or both have been discontinued. Too many references. Too many references to some kernel object. Connection timed out. A connection attempt failed because the connected party did not properly respond after a period of time, or the established connection failed because the connected host has failed to respond.
Connection refused. No connection could be made because the target computer actively refused it. This usually results from trying to connect to a service that is inactive on the foreign host—that is, one with no server application running. Cannot translate name. Cannot translate a name. Name too long. A name component or a name was too long. Host is down. A socket operation failed because the destination host is down. A socket operation encountered a dead host. Networking activity on the local host has not been initiated.
No route to host. A socket operation was attempted to an unreachable host. Directory not empty. Cannot remove a directory that is not empty. Too many processes. A Windows Sockets implementation may have a limit on the number of applications that can use it simultaneously. WSAStartup may fail with this error if the limit has been reached. User quota exceeded. Ran out of user quota. Disk quota exceeded. Ran out of disk quota. Stale file handle reference. The file handle reference is no longer available.
Item is remote. The item is not available locally. Network subsystem is unavailable. This error is returned by WSAStartup if the Windows Sockets implementation cannot function at this time because the underlying system it uses to provide network services is currently unavailable.
That they are not trying to use more than one Windows Sockets implementation simultaneously. If there is more than one Winsock DLL on your system, be sure the first one in the path is appropriate for the network subsystem currently loaded.
The Windows Sockets implementation documentation to be sure all necessary components are currently installed and configured correctly. For instance, your internet browser, which is a software program, will not be able to access data network. There are various causes of windows socket error. Windows socket errors are going to take place frequently unless you clean your computer regularly. As we have seen that viruses and malware cause windows socket error, it is wise to run an antivirus scan on your whole system with any installed antivirus software.
You will find many options in the search results. Download the one that you trust. I followed the instructions in your link to disable and re-enable IPv6, but it did not work, I'm still getting the error with netstat. Can you elaborate on what an "inplace upgrade" is or how to accomplish that? Yes with IPv6 disabled I still got the same error. I checked again after re-enabling it and also had the same error.
Thanks for the info. The machine I'm having issues on is Server x I did try to run a netsh winsock reset command mentioned in an earlier post but it did not have any effect. Please delete the winsock and winsoc2 keys. Reboot and then reset it agian using netsh. Keys should get generated again. Please take a backup of registry before making the changes. I deleted the keys and tried to regenerate them with netsh.
The keys did regenerate, but I'm still getting the same error when I try to run the netstat command. I tried the same command on 2 other Windows Server machines, and also got the same error.
Does this mean that all 3 servers have corrupted winsock keys? If that's the case where do I get they keys from a working server? In actual fact, these error lines are being written on stderr rather than stdout hence why they alone show when redirecting just stdout. So, if you want to remove them entirely whilst redirecting stdout, do:. I know this is an old thread, it's for the benefit of future readers since it's quite high in Google rankings for relevant terms.
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