UCM-UCSI ACPI Client (UcmUcsiAcpiClient) Service Defaults in Windows 10
UCM-UCSI ACPI Client Driver by Microsoft Corporation.
The UCM-UCSI ACPI Client service does not exist in:
- Windows 10 Home 1507
- Windows 10 Pro 1507
- Windows 10 Education 1507
- Windows 10 Enterprise 1507
- Windows 10 Home 1511
- Windows 10 Pro 1511
- Windows 10 Education 1511
- Windows 10 Enterprise 1511
- Windows 10 Home 1607
- Windows 10 Pro 1607
- Windows 10 Education 1607
- Windows 10 Enterprise 1607
- Windows 10 Home 1703
- Windows 10 Pro 1703
- Windows 10 Education 1703
- Windows 10 Enterprise 1703
- Windows 10 Home 1709
- Windows 10 Pro 1709
- Windows 10 Education 1709
- Windows 10 Enterprise 1709
- Windows 10 Home 1803
- Windows 10 Pro 1803
- Windows 10 Education 1803
- Windows 10 Enterprise 1803
Default Settings
| Startup type: | Manual |
| Display name: | UCM-UCSI ACPI Client |
| Service name: | UcmUcsiAcpiClient |
| Service type: | kernel |
| Error control: | normal |
| Path: | %SystemRoot%\System32\drivers\UcmUcsiAcpiClient.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UcmUcsiAcpiClient |
Default Behavior
UCM-UCSI ACPI Client is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If UCM-UCSI ACPI Client fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the UcmUcsiAcpiClient service has failed to start due to the error.
Restore Default Startup Configuration of UCM-UCSI ACPI Client
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config UcmUcsiAcpiClient start= demand
3. Close the command window and restart the computer.
The UcmUcsiAcpiClient service is using the UcmUcsiAcpiClient.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.