Disk Virtual Machine Bus Acceleration Filter Driver - Windows 7 Service
Virtual Storage Filter Driver by Microsoft Corporation.
This service also exists in Windows 10, 11 and 8.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | not exists | not exists |
| Home Basic | not exists | not exists |
| Home Premium | not exists | not exists |
| Professional | Boot | Boot |
| Ultimate | Boot | Boot |
| Enterprise | Boot | Boot |
Default Properties
| Display name: | Disk Virtual Machine Bus Acceleration Filter Driver |
| Service name: | storflt |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\vmstorfl.sys |
| Error control: | normal |
| Group: | Extended Base |
Default Behavior
The Disk Virtual Machine Bus Acceleration Filter Driver service is a kernel driver. If the Disk Virtual Machine Bus Acceleration Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the storflt service has failed to start.
Restore Default Startup Type of Disk Virtual Machine Bus Acceleration Filter Driver
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreDiskVirtualMachineBusAccelerationFilterDriverWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the vmstorfl.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.