Windows AI Components Host - Windows 11 Service
Provides AI component services to apps and other Windows services.
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 |
| 25H2 | Automatic | Automatic | Automatic | Automatic |
| 26H1 | Automatic | Automatic | Automatic | Automatic |
| 26H2 | Automatic | Automatic | Automatic | Automatic |
Default Properties
| Display name: | Windows AI Components Host |
| Service name: | WSAIFabricSvc |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k WSAIFabricSvcGroup -p |
| File: | %WinDir%\system32\WSAIFabricHost.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Windows AI Components Host service is running as NT AUTHORITY\LocalService in a shared process of svchost.exe. Other services might run in the same process. If Windows AI Components Host fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the WSAIFabricSvc service has failed to start.
Dependencies
Windows AI Components Host is unable to start, if at least one of the following services is stopped or disabled:
- AppX Deployment Service (AppXSVC)
- Background Tasks Infrastructure Service
- Remote Procedure Call (RPC)
- State Repository Service
Restore Default Startup Type for Windows AI Components Host
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreWindowsAIComponentsHostWindows11.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 WSAIFabricHost.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.