Windows DNS Server Not Responding Error

Windows 'DNS server not responding' error prevents all web browsing and indicates the system cannot resolve domain names to IP addresses. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: All websites fail to load but some applications using IP directly may work. Can affect one device or all devices on the network. Ping to 8.8.8.8 may succeed while ping to google.com fails. Windows Network Diagnostics typically reports this specific error. Can be caused by ISP, router, or local computer issues. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: ISP DNS servers experiencing outage. Router DNS relay failing or overloaded. Local DNS cache corrupted. Network adapter DNS settings misconfigured. Third-party DNS filtering software interfering. Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Flush DNS cache: ipconfig /flushdns. Release and renew IP: ipconfig /release then ipconfig /renew. Change DNS to Google (8.8.8.8, 8.8.4.4) or Cloudflare (1.1.1.1, 1.0.0.1): Network adapter > IPv4 > Properties. Reset Winsock: netsh winsock reset then restart. Restart your router and modem — unplug for 30 seconds. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

This article is part of our Windows Error Codes collection on Error Codes Wiki. We provide comprehensive, up-to-date information to help you find solutions quickly.