⚠️ 2 verified solutions available for Error 6016 — Last updated 2026-03-31
Error 6016 📋

Fix ERROR_EFS_VERSION_NOT_SUPPORT — Windows Error Code 6016

Error 6016 (ERROR_EFS_VERSION_NOT_SUPPORT) is a Windows Networking error that occurs when a newer system is required to decrypt this encrypted file.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 6016 📛 ERROR_EFS_VERSION_NOT_SUPPORT 📅 Updated: 2026-03-31 ⏱️ 2 Solutions
Quick Fix

Complete Network Reset: Open Command Prompt as Administrator

👇 See all 2 solutions below
🐞 Auto-Fix Script for Error 6016

💡 What is Error 6016?

Windows System Error Code 6016, known as ERROR_EFS_VERSION_NOT_SUPPORT, is a Networking error that occurs during advanced networking, Winsock, and IPSec. The error indicates that: A newer system is required to decrypt this encrypted file. When this error is encountered, the Windows operating system was unable to complete the requested operation within the networking stack subsystem. The error code 6016 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_EFS_VERSION_NOT_SUPPORT 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 advanced networking, Winsock, and IPSec is essential for effective troubleshooting.

⚠️ Common Causes

  • System resource conflict: A newer system is required to decrypt this encrypted file.
  • Network driver outdated/incompatible
  • TCP/IP stack corruption
  • IP configuration incorrect

Step-by-Step Solutions

1 Complete Network Reset
  1. Open Command Prompt as Administrator
  2. Run: netsh winsock reset && netsh int ip reset
  3. Run: ipconfig /release && ipconfig /renew
  4. Restart your computer
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Show Advanced Solutions (1 more)
2 Advanced Diagnostic for ERROR_EFS_VERSION_NOT_SUPPORT
  1. Open Windows Event Viewer (eventvwr.msc)
  2. Navigate to Windows Logs → System to find Event ID 6016
  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 6016 (Efs Version Not Support)
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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 "*6016*" -or $_.Message -like "*ERROR_EFS_VERSION_NOT_SUPPORT*"} | Format-List

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

🛡️ Prevention Tips

  • Update drivers from manufacturer site
  • Monitor network utilization
  • Document network configuration
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Last updated: 2026-03-31
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-31.
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