How to fix “A socket operation was attempted to an unreachable host. [WSAEHOSTUNREACH (0x2751)]” – Error Code 10065


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Error Code 10065

Error code Error Code 10065 is a common Windows issue that typically arises from “A socket operation was attempted to an unreachable host. [WSAEHOSTUNREACH (0x2751)]”.

Overview

This article focuses on troubleshooting the issue described as: “A socket operation was attempted to an unreachable host. [WSAEHOSTUNREACH (0x2751)]”. This error, identified by the error code Error Code 10065, can hinder your system’s performance. We will explore the causes, symptoms, and effective solutions to resolve it.

Identifying the Problem

What is Error Code 10065?

Error Code 10065 is a Windows system error that occurs when a socket operation attempts to connect to an unreachable host.

Typical Scenarios:

  • Connecting to a website or server that is offline or does not exist
  • Network connectivity issues preventing the system from reaching the host
  • Firewall or security software blocking the connection

Signs of Error Code 10065:

  • Inability to access certain websites or services
  • Slow or intermittent internet connectivity
  • Error messages indicating “Host unreachable” or “Cannot connect to the server”

Common Fixes

1. Check Network Connectivity:

  • Verify that your device is connected to the network properly.
  • Restart your router or modem.
  • Troubleshoot any network issues, such as loose cables or poor signal strength.

2. Disable Firewall or Antivirus Software:

  • Temporarily disable your firewall or antivirus software to check if they are blocking the connection.
  • If disabling them resolves the issue, configure exceptions to allow the affected programs or services.

3. Reset Internet Protocol (IP) Address:

  • Open Command Prompt as administrator.
  • Run the following commands:
    • ipconfig /release
    • ipconfig /renew
  • Restart your computer and check if the issue persists.

4. Change DNS Server Settings:

  • Open Network and Sharing Center.
  • Select your network connection and click Properties.
  • Open Internet Protocol Version 4 (TCP/IPv4) Properties.
  • Set the DNS servers to 8.8.8.8 (Google DNS) or 1.1.1.1 (Cloudflare DNS).

Advanced Troubleshooting

1. Clear DNS Cache:

  • Open Command Prompt as administrator.
  • Run the following command:
    • ipconfig /flushdns

2. Reset Winsock:

  • Open Command Prompt as administrator.
  • Run the following command:
    • netsh winsock reset catalog

3. Perform System File Check (SFC):

  • Open Command Prompt as administrator.
  • Run the following command:
    • sfc /scannow

4. Reinstall Network Adapter Drivers:

  • Open Device Manager.
  • Expand Network adapters.
  • Right-click on your network adapter and select Uninstall.
  • Restart your computer and Windows will automatically reinstall the drivers.

Conclusion

Error Code 10065 can be disruptive to system performance, but it can be resolved by implementing the solutions provided above. Remember to check network connectivity, disable security software if necessary, reset IP settings, and attempt advanced troubleshooting if required. By following these steps, you can effectively address this error and maintain a stable internet connection.