Microsoft Windows Error Code 0xC0000371: How to Fix It

Easy 15-30 minutes Medium Severity Verified June 2026
Error Code
0xC0000371
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
Error code 0xC0000371 (STATUS_HOSTDOWN) indicates that your Windows system cannot reach a remote server or host. This usually happens due to network issues, firewall blocks, or incorrect configuration. Follow these steps to restore connectivity.
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Tools You'll Need

How to Fix Error Code 0xC0000371

  1. Check Network Connectivity

  2. Verify the Server Address

  3. Disable Firewall Temporarily

    Only disable the firewall temporarily for testing. Re-enable it immediately after to keep your system secure.
  4. Flush DNS Cache

  5. Reset Network Settings

    Resetting network settings will remove any custom configurations. You may need to reconfigure your VPN or static IPs.
  6. Check Hosts File

  7. Update Network Drivers

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When to Call a Professional

If you've tried all steps and the error persists, your network or server might require professional IT support. Contact your network administrator or ISP for further assistance.

Frequently Asked Questions

What does error 0xC0000371 mean?
It means Windows cannot reach the target server or host. This is often due to network problems, firewall blocking, or incorrect configuration.
Can I fix error 0xC0000371 easily?
Yes, most causes are network-related and can be fixed by following the steps above, like checking connectivity or flushing DNS.
Does error 0xC0000371 affect all applications?
No, it only affects applications trying to connect to a specific server that is unreachable. Other apps should work fine.
Is error 0xC0000371 dangerous?
No, it's a connectivity error and not harmful to your system. It just means a connection attempt failed.