Megasr - Windows 10 Service
LSI MegaRAID Software RAID Driver by LSI Corporation, Inc.
This service also exists in Windows 11, 8 and Vista.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Manual | Manual | Manual | Manual |
| 1511 | Manual | Manual | Manual | Manual |
| 1607 | Manual | Manual | Manual | Manual |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Megasr |
| Service name: | megasr |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\megasr.sys |
| Error control: | normal |
| Group: | SCSI Miniport |
Default Behavior
The Megasr service is a kernel mode driver. If Megasr fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the megasr service has failed to start.
Restore Default Startup Type of Megasr
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreMegasrWindows10.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 megasr.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.