Intel(R) Serial IO I2C Host Controller - Windows 11 Service
This service also exists in Windows 10.
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: | Intel(R) Serial IO I2C Host Controller |
| Service name: | iai2c |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\iai2c.sys |
| Error control: | normal |
| Group: | Base |
Default Behavior
The Intel(R) Serial IO I2C Host Controller service is a kernel mode driver. If Intel(R) Serial IO I2C Host Controller fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the iai2c service has failed to start.
Dependencies
Intel(R) Serial IO I2C Host Controller is unable to start, if the Simple Peripheral Bus Support Library service is stopped or disabled.
Restore Default Startup Type for Intel(R) Serial IO I2C Host Controller
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreIntelRSerialIOI2CHostControllerWindows11.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 iai2c.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 11 installation media.