Hyper-V Time Synchronization Service - Windows 11 Service
Synchronizes the system time of this virtual machine with the system time of the physical computer.
This service also exists in Windows 10 and 8.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
| 23H2 | Manual | Manual | Manual | Manual |
| 24H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Hyper-V Time Synchronization Service |
| Service name: | vmictimesync |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalServiceNetworkRestricted -p |
| File: | %WinDir%\System32\icsvc.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Hyper-V Time Synchronization Service is running as NT AUTHORITY\LocalService in a shared process of svchost.exe. Other services might run in the same process. If Hyper-V Time Synchronization Service fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the vmictimesync service has failed to start.
Dependencies
Hyper-V Time Synchronization Service is unable to start, if the Microsoft Hyper-V Guest Infrastructure Driver service is stopped or disabled.
Restore Default Startup Type for Hyper-V Time Synchronization Service
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreHyperVTimeSynchronizationServiceWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the icsvc.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 11 installation media.