Microsoft Windows Error Code 0xC0000216: How to Fix It

Medium 30-90 minutes Medium Severity Verified June 2026
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Error Code
0xC0000216
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-90 minutes
Error code 0xC0000216 indicates that an operation attempted to access a server session that does not exist or is not available. This typically occurs when a program or service tries to communicate with a server component that hasn't been started or is misconfigured, often due to corrupted system files, driver issues, or incomplete updates.
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Tools You'll Need

How to Fix Error Code 0xC0000216

  1. Back Up Important Data

    Backing up data is crucial as some fixes may involve system restores or reinstalls.

  2. Restart Server Services

  3. Run System File Checker (SFC)

    Do not close the Command Prompt until the scan finishes. This may take some time.

  4. Run DISM Tool

  5. Check for Windows Updates

    Ensure you have a stable internet connection during updates.

  6. Update or Reinstall Network Drivers

  7. Perform a System Restore

    System Restore will revert system files but not personal files. However, it may remove recently installed apps.

  8. Repair Install Windows

    Back up your data before a repair install or reset. This process may take a while.
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When to Call a Professional

If none of the above steps resolve the error, or if the error prevents Windows from booting completely, consider contacting Microsoft Support or a professional technician for advanced troubleshooting, such as registry repairs or hardware diagnostics.

Frequently Asked Questions

What causes Windows error 0xC0000216?
This error usually occurs due to a missing or corrupted server session, often caused by corrupted system files, failed Windows updates, faulty network drivers, or misconfigured services like the 'Server' service.
Can I fix error 0xC0000216 without losing data?
Yes, most fixes like restarting services, SFC, DISM, and updating drivers do not affect personal files. However, if you need to perform a reset or repair install, you can choose to keep your files.
Is error 0xC0000216 related to malware?
While not typically caused by malware, a virus could corrupt system files leading to this error. It's recommended to run a full antivirus scan as a precaution.
Does error 0xC0000216 affect Windows 10 and 11?
Yes, this error can occur on both Windows 10 and Windows 11. The troubleshooting steps are similar for both versions.
What if I cannot boot into Windows due to error 0xC0000216?
Boot into Safe Mode or use Windows Recovery Environment (WinRE) from a bootable USB. From there, you can run SFC, DISM, System Restore, or other advanced options.

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