Adjusting the value of FileSizeLimitInBytes via Registry Editor
Now that you know the main cause of this issue, here’s how you can fix the issue and ensure that the Error 0x800700DF problem doesn’t return in the future. – This is essentially a protection mechanism that ensures no malicious application or process is able to trick your system into downloading files without your explicit say-so. In this case, the solution is to migrate the involved volume to NTFS by formatting your drive. Current File System is not equipped to support this file transfer – In case you see this error while downloading files that exceed 4GB, the error is occurring because of a limitation of the FAT32 file system.In this case, you should be able to fix the issue by opening the Services screen and re-configuring how the Web Client service operates by default. Web Client service is Disabled – If you only get this type of issue while attempting to upload a large file to SharePoint (or a similar service), chances are the problem is caused due to a required service that is forcibly disabled (Web Client).In this case, you can resolve the issue by modifying the maximum accepted value via the FileSizeLimitInBytes reg file. File size exceeds the value of FileSizeLimitInBytes value – The most common cause of this issue is when you attempt to download or upload a file (to or from a cloud service like SharePoint) that exceeds the maximum allowed file configured inside the Registry Editor.