Hyper-V Volume Shadow Copy Requestor (vmicvss) Service Defaults in Windows 8

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.

Default Settings

Startup type:Manual
Display name:Hyper-V Volume Shadow Copy Requestor
Service name:vmicvss
Service type:share
Error control:normal
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k LocalSystemNetworkRestricted
File:%SystemRoot%\System32\ICSvc.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\vmicvss
Privileges:
  • SeChangeNotifyPrivilege
  • SeBackupPrivilege

Default Behavior

Hyper-V Volume Shadow Copy Requestor is a Win32 service. In Windows 8 it will not be started until the user starts it. When the Hyper-V Volume Shadow Copy Requestor service is started, it runs as LocalSystem in a process of svchost.exe, sharing it with other services. If Hyper-V Volume Shadow Copy Requestor fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the vmicvss service hasn't been started.

Restore Default Startup Configuration for Hyper-V Volume Shadow Copy Requestor

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_vmicvss_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The vmicvss service is using the ICSvc.dll file that is located in the %WinDir%\System32 folder. If the file is corrupted or deleted, you can put it back in there.