Hyper-V Volume Shadow Copy Requestor - Windows 10 Service
Coordinates the communications that are required to use Volume Shadow Copy Service to back up applications and data on this virtual machine from the operating system on the physical computer.
This service also exists in Windows 11 and 8.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Manual | Manual | Manual | Manual |
| 1511 | Manual | Manual | Manual | Manual |
| 1607 | Manual | Manual | Manual | Manual |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Hyper-V Volume Shadow Copy Requestor |
| Service name: | vmicvss |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalSystemNetworkRestricted -p |
| File: | %WinDir%\System32\icsvcext.dll |
| Error control: | normal |
| Object: | LocalSystem |
| Privileges: |
|
Default Behavior
The Hyper-V Volume Shadow Copy Requestor service is running as LocalSystem in a shared process of svchost.exe. Other services might run in the same process. If Hyper-V Volume Shadow Copy Requestor fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the vmicvss service has failed to start.
Restore Default Startup Type of Hyper-V Volume Shadow Copy Requestor
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreHyperVVolumeShadowCopyRequestorWindows10.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 icsvcext.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 10 installation media.