Fix UTM “File size exceeds the limit allowed” issue

 

Environment:

1.     MacBook Pro 2021, Apple M1 Pro Silicon

2.     UTM version: 3.2.4(58)

3.     Virtual Machine: Windows 11 21H2 ARM

 

Symptoms

Tried to copy a 50M file from the shared folder to the windows virtual machine, got a popup error window:

 

An unexpected error is keeping you from copying the file. If you continue to receive this error, you can use the error code to search for help with this problem.

 

Error 0x800700DF: The file size exceeds the limit allowed and cannot be saved.

 

 

 

Solution

Run “regedit”, open Registry Editor.

 

Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters

 

Right click on the FileSizeLimitInBytes and click Modify

 

Click on Decimal

 

In the Value data box, type 4294967295, and then click OK. (extend the file size limit to 4G).