I3C Host Controller Service - Windows 11 Service
I3C HostController Driver by Microsoft Corporation.
This service exists in Windows 11 only.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | not exists | not exists | not exists | not exists |
| 22H2 | not exists | not exists | not exists | not exists |
| 23H2 | not exists | not exists | not exists | not exists |
| 24H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | I3C Host Controller Service |
| Service name: | I3CHost |
| Type: | kernel |
| Path: | %WinDir%\System32\DriverStore\FileRepository\i3chost.inf_amd64_9c9c93715d8178d4\I3CHost.sys |
| Error control: | normal |
| Group: | Base |
Default Behavior
The I3C Host Controller Service is a kernel mode driver. If I3C Host Controller Service fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the I3CHost service has failed to start.
Dependencies
I3C Host Controller Service is unable to start, if the Simple Peripheral Bus Support Library service is stopped or disabled.
Restore Default Startup Type for I3C Host Controller Service
Automated Restore
1. Select your Windows 11 edition, and then click on the Download button below.
2. Save the RestoreI3CHostControllerServiceWindows11.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 I3CHost.sys file exists in the %WinDir%\System32\DriverStore\FileRepository\i3chost.inf_amd64_9c9c93715d8178d4 folder. If this file is missing you can try to restore it from your Windows 11 installation media.