Error 0x800700df: Causes, Fixes, and How to Transfer Large Files Without Issues

Encountering the 0x800700df error while copying, uploading, or sharing files can be frustrating. In this guide, you’ll learn why it happens, what triggers the limitation in Windows, and practical ways to increase file size limits and resolve the issue quickly.

Vera

By Vera / Updated on March 10, 2026

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What Is Error 0x800700df?

Error 0x800700df

Error 0x800700df is a Windows system error that occurs when the file you are attempting to transfer exceeds the maximum allowed size configured in Windows.

This limitation typically applies to:

  • Network file transfers
  • WebDAV connections
  • SharePoint downloads
  • Mapped network drives

Think of it like a weight limit on a bridge. If the truck is heavier than the allowed limit, it cannot cross. Similarly, Windows prevents the transfer of files that exceed configured system limits.

>> Learn about other Windows system errors:

Why the 0x800700df Error Occurs

Understanding the root cause of the 0x800700df error makes troubleshooting much easier.

1. File Transfer Size Restrictions

Windows sometimes restricts the maximum size of files that can be transferred via certain protocols. These limits help prevent system instability and network congestion. However, when you attempt to transfer a file larger than the configured limit, Windows stops the process and displays error 0x800700df.

2. Registry Configuration Limits

Many Windows transfer restrictions are controlled by registry settings. If the registry value responsible for file size limits is set too low, even moderately large files can trigger this error.

3. Network and SharePoint Restrictions

When transferring files from SharePoint or network drives, the server itself may enforce file size limitations. These restrictions often combine with Windows settings, resulting in the 0x800700df error.

Common Scenarios Where Error 0x800700df Appears

Although this error can appear in various situations, it is most commonly seen in the following scenarios.

1. Copying Files from a Network Drive

If you copy a large file from a mapped network drive to your computer, Windows may block the transfer if it exceeds the configured size limit.

2. Downloading Files from SharePoint

Organizations frequently store files on SharePoint servers. When downloading large documents or backups, users may encounter error 0x800700df due to WebDAV file size restrictions.

3. Transferring Files Between Computers

Large media files, backups, and software packages can trigger this error when transferred between computers through network connections.

How to Fix Error 0x800700df in Windows

Below are several standardized and effective methods to resolve error 0x800700df.

Method 1: Increase the File Size Limit in the Windows Registry

Adjusting the registry value responsible for file size limits is one of the most reliable solutions.

1. Press Windows + R to open the Run dialog box.

2. Type regedit, then press Enter to open the Registry Editor.

Open the Registry Editor

3. Navigate to the following location:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters

4. Locate the registry entry named FileSizeLimitInBytes.

5. Double-click the entry to edit it.

6. Select Decimal as the base value.

7. Enter a larger value, such as: 4294967295.

8. Click OK to confirm the change.

Increase the File Size Limit in the Windows Registry

9. Restart the computer to apply the new configuration.

After restarting, attempt the file transfer again to verify whether error 0x800700df has been resolved.

Method 2: Restart the WebClient Service

The WebClient service is responsible for handling WebDAV connections used by SharePoint and network drives.

1. Press Windows + R to open the Run dialog box.

2. Type services.msc and press Enter.

services.msc

3. Locate the WebClient service in the list.

4. Right-click the service and select Restart.

Restart WebClient Service

5. Close the Services window.

6. Retry the file transfer.

Restarting the service can refresh network configurations and resolve the 0x800700df error.

Method 3: Compress the File Before Transfer

Compressing files can sometimes reduce the file size enough to bypass transfer limitations.

1. Locate the file you want to transfer.

2. Right-click the file.

3. Select Send to.

4. Choose Compressed (zipped) folder.

Send to and Compress

5. Wait for Windows to create the compressed archive.

6. Transfer the compressed file instead of the original.

Compression works like packing clothes into a vacuum bag—it reduces space while keeping everything intact.

Method 4: Split the File into Smaller Segments

Another practical approach is dividing the file into multiple smaller pieces.

1. Install a file-splitting utility.

2. Open the application.

3. Select the large file you want to divide.

4. Specify the desired size for each segment.

5. Start the splitting process.

6. Transfer the smaller files individually.

After transferring, the files can be merged back into the original file.

Method 5: Use Alternative File Transfer Methods

If Windows continues to show error 0x800700df, you may need to use an alternative transfer method.

Some reliable options include:

  • Cloud storage services
  • External storage devices
  • Dedicated file transfer tools

These solutions often bypass the limitations that trigger the 0x800700df error.

Recovering Files Lost During Failed Transfers

Sometimes, interrupted file transfers can result in missing or accidentally deleted files. For example, a failed copy operation might overwrite an existing file or leave you unable to locate the original version.

In such situations, using a professional data recovery tool can help restore lost files. One reliable option is MyRecover, a dedicated Windows data recovery tool designed to recover deleted or lost files from hard drives, SSDs, USB drives, and other storage devices.

Key Features of MyRecover

MyRecover offers several advantages for recovering data after failed transfers or accidental deletions:

  • Supports recovery of documents, videos, images, and other file types.
  • Works with NTFS, FAT32, exFAT, and ReFS file systems.
  • Provides quick and deep scanning modes.
  • Allows previewing files before recovery.
  • Supports recovery from formatted or corrupted drives.

Steps to Recover Lost Files Using MyRecover

1. Download and install MyRecover on your Windows computer.

2. Launch the application.

3. Select the drive or location where the lost file was stored.

4. Click Scan to begin searching for recoverable files.

Scan

5. Review the scan results and locate the desired file.

6. Select the file and click Recover to restore it.

Recover

Using MyRecover can significantly improve the chances of retrieving files that were lost during failed transfers caused by error 0x800700df.

How to Prevent Error 0x800700df in the Future

While fixing the error is helpful, preventing it from happening again is even better.

Increase System File Transfer Limits

Adjusting the Windows registry setting for file size limits ensures that future transfers are less likely to trigger the 0x800700df error.

Keep Windows Updated

System updates (such as updating Windows 10 to 11) often improve compatibility with network protocols and file transfer processes. Keeping Windows up to date helps minimize errors.

Conclusion

The error 0x800700df may interrupt your workflow, but it is usually caused by manageable file size limitations within Windows or network settings. By adjusting registry configurations, restarting system services, compressing files, or splitting large files into smaller segments, you can effectively resolve the problem.

Additionally, if a failed transfer results in missing files, tools like MyRecover can help recover lost data quickly and safely. With the solutions and best practices outlined in this guide, you should now be well equipped to fix error 0x800700df and handle large file transfers with confidence.

Vera
Vera · Editor
As an SEO and Content Strategist at MyRecover, I specialize in developing and optimizing high-impact content focused on data recovery, backup solutions, and digital security. With extensive experience in search engine optimization and user-focused content development, I aim to bridge the gap between technical solutions and user needs. My goal is to ensure that individuals and businesses alike can easily access reliable, effective information to protect and recover their valuable data.