⚠️ 2 verified solutions available for Error 5009 — Last updated 2026-03-12
Error 5009 📋

Fix ERROR_CANT_EVICT_ACTIVE_NODE — Windows Error Code 5009

Error 5009 (ERROR_CANT_EVICT_ACTIVE_NODE) is a Windows DNS & WINS error that occurs when a cluster node cannot be evicted from the cluster unless the node is down or it is the last node.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 5009 📛 ERROR_CANT_EVICT_ACTIVE_NODE 📅 Updated: 2026-03-12 ⏱️ 2 Solutions
⚡ Quick Fix

Flush DNS and Switch Servers: Open Command Prompt as Administrator

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🐞 Auto-Fix Script for Error 5009
⚠️ How to use: Open PowerShell as Administrator, paste the code above, and press Enter.
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📑 Table of Contents
What is Error 5009? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 5009?

Windows System Error Code 5009, known as ERROR_CANT_EVICT_ACTIVE_NODE, is a DNS & WINS error that occurs during DNS resolution and WINS name resolution. The error indicates that: A cluster node cannot be evicted from the cluster unless the node is down or it is the last node. 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 5009 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_CANT_EVICT_ACTIVE_NODE 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: A cluster node cannot be evicted from the cluster unless the node is down or it is the last node.
  • DNS server misconfigured
  • Stale DNS cache entries
  • Hostname cannot be resolved
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An encyclopedia on diagnosing physical RAM defects, virtual memory (paging file) corruption, and resolving MEMORY_MANAGEMENT BSODs.

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✅ 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_CANT_EVICT_ACTIVE_NODE
  1. Open Windows Event Viewer (eventvwr.msc)
  2. Navigate to Windows Logs → System to find Event ID 5009
  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 5009 (Cant Evict Active Node)
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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 "*5009*" -or $_.Message -like "*ERROR_CANT_EVICT_ACTIVE_NODE*"} | 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: 2026-03-12
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Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-12.
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