Error 10048 means Address already in use. You are trying to open a connection on a socket that is already in use. If a client disconnects from the server then the server needs to close the server socket that was used for that client.
How do I use TFTP 3CDaemon server?
Use or configure 3CDaemon’s TFTP server
use
Why do I get TCP error 10048 on WCF?
If you poll often enough, you will end up using all available ports, resulting in TCP error 10048. In general, WCF breaks it to avoid this problem by combining connections and such. Typically, this refers to services that are not transmitted over the Internet.
Why is my Python Server getting a 10048 error?
Of course, you can restart the server at any time, which will usually keep the client body running longer. (Except that the webserver might get error 10048 when trying to bind the socket because the OS is storing it for the previous owner. If you see this, see SO_REUSEADDR in the documentation.)
How do I fix bind error 10048?
Cause 1 can be resolved by terminating the program using your port, or your program is using a sorted port. Reason 2 can be changed by running only one instance of your program at a time. Cause 3 can be resolved by figuring it out within a few minutes or by using one of our SO_REUSEADDR socket options.
How do I fix Runtime Error 10048 address in use?
This error occurs when your home operating system cannot name new sockets….
How do I fix error 10048?
To avoid this process issue, you should either remove the conflicting service from other applications frequently or change the port used by other software or VPOP3 for that mail service. You can change the ports that VPOP3 uses for its various services on the About 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. They have DontLinger or ReuseAddr or both, I’m not sure. Essentially, your sockets can get stuck in the TIME_WAIT state almost any time after the main TCP connection is dropped. Once you get enough of this, you won’t be ready to create new client attachments.
Why is winerror 10048 refusing to open socket?
When running another instance of the script, the running service actually opened the listening port, so trying to open it throws a 10048 / WSAEADDRINUSE reject error. Usually, if you want to run the script again, you need to set 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.