Software⏱️ 3 min read📅 2026-06-11

How to Fix: Data retransmission and WSAECONNABORTED (10053) socket error

TCP retransmission and WSAECONNABORTED error explanation.

Quick Answer: TCP will send the data again if it doesn't receive an acknowledgment within a certain time period, which is configurable via the SO_RCVTIMEO and SO_SNDTIMEO socket options.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🔧 Proven Troubleshooting Steps
  3. ✨ Wrapping Up

The socket error WSAECONNABORTED (10053) occurs when a TCP connection is terminated abnormally, often due to a network issue or a disconnection. This error affects applications that rely on TCP connections, such as file transfers, remote access, and web browsing.

This error can be frustrating because it prevents the application from completing its task and may cause data loss or corruption. In this troubleshooting guide, we will explore the root causes of WSAECONNABORTED (10053) and provide two primary fix methods to resolve the issue.

⚠️ Common Causes

  • The primary reason for WSAECONNABORTED (10053) is a disconnection or loss of signal between the two sockets. When Socket B is unplugged from power, it can cause a sudden termination of the TCP connection, resulting in the error.
  • Another possible root cause is a network issue, such as a misconfigured router, firewall, or switch, that prevents data from being transmitted between the two sockets.

🔧 Proven Troubleshooting Steps

Verify and Restart Network Connection

  1. Step 1: Check if the network connection is stable and functioning correctly. Ensure that the router, switch, and other network devices are properly configured and powered on.
  2. Step 2: Restart the network device or the computer with Socket B to ensure a fresh connection. This may resolve any temporary network issues that caused the disconnection.
  3. Step 3: Verify that the TCP connection is re-established successfully after restarting the network device or computer.

Configure Retransmission Timeout

  1. Step 1: Check the current retransmission timeout settings for Socket A. If the timeout value is too low, it may cause the socket to retransmit data repeatedly without acknowledging the loss.
  2. Step 2: Adjust the retransmission timeout value to a higher setting (e.g., 30 seconds or more) to give the TCP connection more time to recover from disconnections. This can help prevent excessive retransmissions and reduce the likelihood of WSAECONNABORTED (10053).
  3. Step 3: Verify that the adjusted retransmission timeout value is applied correctly and that the socket error does not occur after retransmitting data.

✨ Wrapping Up

In summary, WSAECONNABORTED (10053) occurs when a TCP connection is terminated abnormally due to a disconnection or network issue. To resolve this issue, try verifying and restarting your network connection, or configuring the retransmission timeout value to prevent excessive retransmissions. If the error persists, further troubleshooting may be necessary to identify the underlying cause.

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