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0x000000BBBSODCritical

0x000000BB — Network Boot Initialization Failed | Blue Screen Fix Guide

NETWORK_BOOT_INITIALIZATION_FAILED

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x000000BB Mean?

Windows failed to initialize network boot (PXE boot) components.

Real-World Causes

  1. 1Network boot infrastructure failure
  2. 2PXE server unavailable
  3. 3Network adapter driver failure during boot

Symptoms

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

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Use Windows Recovery Environment
  3. 3Run Startup Repair
  4. 4Rebuild BCD with bootrec commands

Advanced Fix

For experienced users and IT professionals

  1. 1Rebuild BCD store manually
  2. 2Use bcdedit to verify boot configuration
  3. 3Repair Master Boot Record with bootrec /fixmbr
  4. 4Reinstall Windows if boot files are corrupted

Frequently Asked Questions

What causes NETWORK_BOOT_INITIALIZATION_FAILED?
Windows failed to initialize network boot (PXE boot) components.
Can I fix Network Boot Initialization Failed 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

0x000000BCNetwork Boot Duplicate Address0x0000007BInaccessible Boot Device

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.