Microsoft Windows Error Code 0xC0000800: How to Fix It

Easy 30 minutes to 1 hour Medium Severity Verified June 2026
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Error Code
0xC0000800
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
30 minutes to 1 hour
Error code 0xC0000800 indicates a directory service version mismatch in Windows. This usually happens when there's a problem with Active Directory or domain controller communication, but it can also occur on standalone systems due to corrupt system files or outdated drivers. Follow these steps to resolve it.
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Tools You'll Need

How to Fix Error Code 0xC0000800

  1. Reboot and Check Network Connectivity

  2. Run System File Checker (SFC)

    Do not close Command Prompt during the scan.

  3. Run DISM Tool

  4. Check for Windows Updates

  5. Update or Reinstall Network and Storage Drivers

    Back up your data before driver updates.

  6. Perform a System Restore

    System Restore will uninstall recently installed programs.

  7. Reset Windows (Keep Files)

    This will remove installed apps but keep files. Backup important data before proceeding.
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When to Call a Professional

If the error persists after performing all steps, especially in a domain environment, contact your network administrator or a Microsoft support professional. They can check Active Directory configuration and server-side issues.

Frequently Asked Questions

What does error 0xC0000800 mean?
It means Directory Service version check failure, indicating a mismatch in Active Directory or system file corruption.
Can this error occur on a home computer without a domain?
Yes, it can happen due to corrupted system files, outdated drivers, or Windows update issues.
Will resetting Windows fix error 0xC0000800?
Resetting Windows (keeping files) often resolves the error by repairing system files and configurations.
How long does SFC /scannow take?
Typically 10-30 minutes depending on your system speed and file corruption.
Do I need to reinstall Windows to fix this?
Not usually. Most cases resolve with SFC, DISM, or a reset. Reinstall only if all else fails.

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