SD Storage Port Driver (sdstor) Service Defaults in Windows 10

SD Storage Class Driver by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:SD Storage Port Driver
Service name:sdstor
Service type:kernel
Error control:normal
Path:%SystemRoot%\System32\drivers\sdstor.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sdstor

Default Behavior

SD Storage Port Driver is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If SD Storage Port 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 sdstor service has failed to start due to the error.

Restore Default Startup Configuration for SD Storage Port Driver

1. Run the Command Prompt as an administrator.

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

sc config sdstor start= demand

3. Close the command window and restart the computer.

The sdstor service is using the sdstor.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.