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0x000000BCBSODCritical

0x000000BC — Network Boot Duplicate Address | Blue Screen Fix Guide

NETWORK_BOOT_DUPLICATE_ADDRESS

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x000000BC Mean?

A duplicate IP address was detected during network boot, preventing the system from booting.

Real-World Causes

  1. 1IP address conflict on network
  2. 2DHCP server misconfiguration
  3. 3Duplicate static IP assignment

Symptoms

  • ⚠Blue screen with stop code NETWORK_BOOT_DUPLICATE_ADDRESS
  • ⚠System reboots unexpectedly
  • ⚠Possible data loss from unsaved work

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Update network drivers
  3. 3Reset network settings
  4. 4Run network troubleshooter

Advanced Fix

For experienced users and IT professionals

  1. 1Analyze minidump for faulting network driver
  2. 2Use netsh to reset TCP/IP stack
  3. 3Check for firmware updates on network hardware
  4. 4Capture network trace for analysis

Frequently Asked Questions

What causes NETWORK_BOOT_DUPLICATE_ADDRESS?
A duplicate IP address was detected during network boot, preventing the system from booting.
Can I fix Network Boot Duplicate Address myself?
In many cases yes. Start with basic troubleshooting like restarting, updating drivers, and running System File Checker. If the issue persists, advanced analysis of crash dumps may be needed.

Related Error Codes

0x000000BBNetwork Boot Initialization Failed0x0000004FNDIS Internal Error

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.