LSI_SAS Service Defaults in Windows 8

LSI Fusion-MPT SAS Driver (StorPort) by LSI Corporation.

Default Settings

Startup type: Manual
Display name:LSI_SAS
Service name:LSI_SAS
Service type:kernel
Error control:normal
Group:SCSI Miniport
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LSI_SAS

Default Behavior

The LSI_SAS service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If LSI_SAS fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the LSI_SAS service hasn't been started.

Restore Default Startup Configuration of LSI_SAS

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config LSI_SAS start= demand

3. Close the command window and restart the computer.

The LSI_SAS service is using the lsi_sas.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 8 installation media.