Adaptec SAS/SATA-II RAID Storport's Miniport Driver (arcsas) Service Defaults in Windows 10

Adaptec SAS RAID WS03 Driver by PMC-Sierra, Inc.

Default Settings

Startup type:Manual
Display name:Adaptec SAS/SATA-II RAID Storport's Miniport Driver
Service name:arcsas
Service type:kernel
Error control:normal
Group:SCSI miniport
Path:%SystemRoot%\System32\drivers\arcsas.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\arcsas

Default Behavior

Adaptec SAS/SATA-II RAID Storport's Miniport Driver is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Adaptec SAS/SATA-II RAID Storport's Miniport Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the arcsas service has failed to start due to the error.

Restore Default Startup Configuration for Adaptec SAS/SATA-II RAID Storport's Miniport Driver

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_arcsas_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The arcsas service is using the arcsas.sys file that is located in the %WinDir%\System32\drivers folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.