WSAENETDOWN - 10050 (0x2742)
A socket operation encountered a dead network.
Updated: Feb 21, 2026
Technical Meaning
The WSAENETDOWN error code, represented by the numeric value 10050 (0x2742), indicates that a socket operation encountered a dead network. This means that the network interface or the connection to the network is not available at the time of the operation.
Error Details
This error typically occurs when an attempt is made to perform a socket operation, such as sending or receiving data, and the underlying network is down or unreachable. The error can be triggered by various conditions, including but not limited to:
- Network interface being disabled or removed.
- Physical network connection failure.
- Routing issues preventing communication.
Usage Context
This error code is commonly encountered in applications that use the Windows Sockets API (Winsock) for network communications. It can be returned by various socket functions, such as send, recv, and connect, when the network state does not allow the operation to proceed successfully.
Developer Interpretation
When encountering a WSAENETDOWN error, developers should interpret it as an indication that the network is unavailable for the intended operation. This could be due to a temporary condition or a permanent issue with the network infrastructure. Developers are advised to handle this error by retrying the operation after a suitable delay or taking appropriate action based on the application's requirements.
Related Errors
WSAECONNREFUSED(10061): Connection refused, indicating that the remote host actively rejected the connection attempt.WSAEWOULDBLOCK(995): Operation would block, suggesting that the operation cannot be completed immediately and may need to be retried later.
FAQ
Q: What does WSAENETDOWN mean?
A: The error indicates a dead network encountered during a socket operation. It suggests that the network is not available for the intended communication.
Q: How can I handle this error in my application?
A: You should retry the operation after a delay or take appropriate action based on your application's logic, such as logging the issue and informing the user.
Summary
The WSAENETDOWN error code is a generic indication that a socket operation could not proceed due to an unavailable network. Developers should handle this error by considering the context in which it occurs and taking appropriate action based on the application's requirements.