⚠️ 2 verified solutions available for Error 5939 — Last updated 2026-03-02
Error 5939 📋

Fix ERROR_CLUSTER_EVICT_INVALID_REQUEST — Windows Error Code 5939

Error 5939 (ERROR_CLUSTER_EVICT_INVALID_REQUEST) is a Windows DNS & WINS error that occurs when eviction of this node is invalid at this time. due to quorum requirements node eviction will result in cluster shutdown. if it is the last node in the cluster. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 5939 📛 ERROR_CLUSTER_EVICT_INVALID_REQUEST 📅 Updated: 2026-03-02 ⏱️ 2 Solutions
⚡ Quick Fix

Flush DNS and Switch Servers: Open Command Prompt as Administrator

👇 See all 2 solutions below
🐞 Auto-Fix Script for Error 5939
⚠️ How to use: Open PowerShell as Administrator, paste the code above, and press Enter.
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📑 Table of Contents
What is Error 5939? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 5939?

Windows System Error Code 5939, known as ERROR_CLUSTER_EVICT_INVALID_REQUEST, is a DNS & WINS error that occurs during DNS resolution and WINS name resolution. The error indicates that: Eviction of this node is invalid at this time. Due to quorum requirements node eviction will result in cluster shutdown. If it is the last node in the cluster When this error is encountered, the Windows operating system was unable to complete the requested operation within the DNS/WINS services subsystem. The error code 5939 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_CLUSTER_EVICT_INVALID_REQUEST maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within DNS resolution and WINS name resolution is essential for effective troubleshooting.

⚠️ Common Causes

  • System resource conflict: Eviction of this node is invalid at this time. Due to quorum requirements node eviction will result in cluster shutdown. If it is the last node in the cluster
  • DNS server misconfigured
  • Stale DNS cache entries
  • Hostname cannot be resolved
📚 Comprehensive Guide

Advanced Network Troubleshooting: DNS Flushes, Winsock Resets, and Adapter Fixes

The ultimate encyclopedia on resolving Windows network stack failures, TCP/IP corruption, Winsock errors, and DNS cache poisoning.

Read the full guide →

✅ Step-by-Step Solutions

1 Flush DNS and Switch Servers
  1. Open Command Prompt as Administrator
  2. Run: ipconfig /flushdns
  3. Change DNS to Google (8.8.8.8) or Cloudflare (1.1.1.1)
  4. Run: ipconfig /registerdns
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2 Advanced Diagnostic for ERROR_CLUSTER_EVICT_INVALID_REQUEST
  1. Open Windows Event Viewer (eventvwr.msc)
  2. Navigate to Windows Logs → System to find Event ID 5939
  3. Look for associated warnings that occurred immediately before the system crashed
  4. Right-click the entry and export the log file for further analysis

🎬 Video Tutorials

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How to fix Error 5939 (Cluster Evict Invalid Request)
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💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*5939*" -or $_.Message -like "*ERROR_CLUSTER_EVICT_INVALID_REQUEST*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

  • Use reliable DNS (8.8.8.8 or 1.1.1.1)
  • Flush DNS cache periodically
  • Monitor DNS resolution performance
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Last updated: 2026-03-02
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Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-02.
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