If bind() causes error 98 (EADDRINUSE) or 10048 (WSAEADDRINUSE), it means you are trying to bind to a local port that is already in use. This is usually caused by one of three reasons: Another program is already using that port. Your program is already running and you’ve attempted to start it a second time.
If the error returned by bind () is 98 (Linux) or 10048 (Windows), then it means the local port you are trying to bind to is already in use. By the way, you can also get the error message in text form.
How do I fix bind error 10048?
Cause 1 can be fixed by terminating the program if you are using the port, or by letting your program use a new, different port. Cause 2 can be fixed by running only one situation in your program at any given time. Cause 3 can be resolved by waiting a few minutes or by setting the SO_REUSEADDR socket option.
Why do I get TCP error 10048 on WCF?
If you poll too often, you will end up using all available ports, which will result in TCP error 10048. WCF often tries to avoid this problem by pooling connections, etc. This is usually the case for internal services that are not transmitted over the Internet .
Why is my Python Server getting a 10048 error?
You can fire the device over and over again, which allows you to run the man or woman one more time. (Except that a particular server might get error 10048 even if it tries to bind the exact socket, because the OS is holding it for a previous purchaser. If you see this, check the documentation for SO_REUSEADDR.)
How do I fix Runtime Error 10048 address in use?
This error occurs when your operating system is unable to allocate new sockets….
How do I fix error 10048?
To avoid this, you can either remove the conflicting service from other software, or change my port that this other software tool or VPOP3 uses for this mail service. You can change the location that VPOP3 uses for various services on the Services page in the VPOP3 settings.
What causes socket errors of 10048 on the client?
See http://msdn.microsoft.com/en-us/library/e160993d%28v=VS.90%29.aspx SetSocketOption. You need DontLinger or even ReuseAddr or both, I’m not entirely sure. Basically, sockets get stuck in the TIME_WAIT state for a while after the TCP connection is dropped. If you have enough of them, you will not be able to establish new client connections.
Why is winerror 10048 refusing to open socket?
When starting another instance associated with the script, the running service still issues an open listening port, it’s unbelievable that the open attempt was rejected with error 10048 against WSAEADDRINUSE. If you want to implement the script again, you must signal the running service to stop and close the socket.

Vijay is a tech writer with years of experience in the Windows world. He’s seen it all – from simple problems to catastrophic system failures. He loves nothing more than helping people fix their PCs, and he’s always happy to share his wisdom with anyone who needs it.
When Vijay isn’t fixing Windows problems, he likes to spend time with his wife and two young children. He also enjoys reading, playing cricket, and watching Bollywood movies.