LSI_SAS - Windows Vista Service
LSI Logic Fusion-MPT SAS Driver (StorPort) by LSI Logic.
This service also exists in Windows 10, 11, 7 and 8.
Startup Type
Since LSI_SAS is a kernel mode driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.
| Windows Vista edition | without SP | SP1 | SP2 |
|---|---|---|---|
| Starter | Disabled | Disabled | Disabled |
| Home Basic | Disabled | Disabled | Disabled |
| Home Premium | Disabled | Disabled | Disabled |
| Business | Disabled | Disabled | Disabled |
| Ultimate | Disabled | Disabled | Disabled |
Default Properties
| Display name: | LSI_SAS |
| Service name: | LSI_SAS |
| Type: | kernel |
| Path: | %WinDir%\system32\drivers\lsi_sas.sys |
| Error control: | normal |
| Group: | SCSI Miniport |
Default Behavior
The LSI_SAS service is a kernel mode driver. If LSI_SAS fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the LSI_SAS service has failed to start.
Restore Default Startup Type of LSI_SAS
Automated Restore
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreLSISASWindowsVista.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the lsi_sas.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.