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0x00000027BSODCritical

0x00000027 — RDR File System | Blue Screen Fix Guide

RDR_FILE_SYSTEM

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x00000027 Mean?

A problem occurred in the SMB redirector file system. This relates to network file access.

Real-World Causes

  1. 1Network connectivity issues during file access
  2. 2SMB driver bug
  3. 3Corrupted network file system state
  4. 4Server-side file system error

Symptoms

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

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Run chkdsk /f /r on the affected drive
  3. 3Run System File Checker (sfc /scannow)
  4. 4Check drive health with manufacturer tools

Advanced Fix

For experienced users and IT professionals

  1. 1Run chkdsk /f /r from Recovery Environment
  2. 2Analyze minidump for faulting file system driver
  3. 3Check S.M.A.R.T. data for drive health
  4. 4Consider drive replacement if errors persist

Frequently Asked Questions

What causes RDR_FILE_SYSTEM?
A problem occurred in the SMB redirector file system. This relates to network file access.
Can I fix RDR File System 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

0x00000022File System0x0000004FNDIS 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.