Microsoft Hyper-V Storage Accelerator (storflt) Service Defaults in Windows 10
Virtual Storage Filter Driver by Microsoft Corporation.
Default Settings
| Startup type: | Manual |
| Display name: | Microsoft Hyper-V Storage Accelerator |
| Service name: | storflt |
| Service type: | kernel |
| Error control: | normal |
| Group: | Extended Base |
| Path: | %SystemRoot%\System32\drivers\vmstorfl.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storflt |
Default Behavior
Microsoft Hyper-V Storage Accelerator is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Microsoft Hyper-V Storage Accelerator fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the storflt service has failed to start due to the error.
Restore Default Startup Configuration of Microsoft Hyper-V Storage Accelerator
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config storflt start= demand
3. Close the command window and restart the computer.
The storflt service is using the vmstorfl.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.