Software⏱️ 3 min read📅 2026-06-11

How to Fix: WebDAV error after upgrading to Windows 10

Windows 10 WebDAV error fix

Quick Answer: Try changing the BasicAuthLevel registry setting to 2 and ensure proper network drive mapping.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🛠️ Step-by-Step Verified Fixes
  3. 💡 Conclusion

One of your users has experienced an issue with copying files to a WebDAV server after upgrading to Windows 10. The error message 'can't read from source file or disk' is displayed every time a file is copied from the Windows folder to the WebDAV folder.

This problem affects users who have upgraded to Windows 10 and are unable to access their WebDAV files. It's frustrating because it prevents users from accessing their important files, and it may cause data loss if not resolved promptly.

⚠️ Common Causes

  • The primary reason for this error is a change in the way Windows handles file permissions and authentication on the WebDAV server. In previous versions of Windows, the WebDAV client used a different method to authenticate with the server, which may no longer be compatible with the newer version of Windows 10.
  • Another possible cause could be a misconfiguration or update issue with the WebDAV client application or the server itself.

🛠️ Step-by-Step Verified Fixes

Fixing Registry Settings

  1. Step 1: To fix this issue, navigate to the following registry key: HKEY_LOCAL_MACHINE/system/currentcontrolset/services/webclient/parameters. Then, change the value of BasicAuthLevel to 2.
  2. Step 2: After making the change, restart your WebDAV client application and try copying files again. If the problem persists, proceed with the next steps.
  3. Step 3: If you're unable to access the registry key or make changes manually, consider using a third-party tool or consulting with a Windows administrator for assistance.

Using a WebDAV Client Application

  1. Step 1: As an alternative solution, try using a different WebDAV client application that may be compatible with Windows 10. Some popular options include Cyberduck, WebDAV Mounter, or Total Commander.
  2. Step 2: To use one of these applications, follow the installation instructions and configure it to connect to your WebDAV server using the correct credentials and URL.

💡 Conclusion

If you've tried both methods without success, consider reaching out to your WebDAV server administrator or support team for further assistance. They may be able to provide additional guidance or patches specific to your setup. Additionally, keep in mind that some WebDAV servers may have compatibility issues with Windows 10, so it's essential to check the official documentation and support resources for your server before upgrading.

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