Standard IDE/ESDI Hard Disk Controller (atapi) Service Defaults in Windows XP

IDE/ATAPI Port Driver by Microsoft Corporation.

Default Settings

Startup type:Boot
Display name:Standard IDE/ESDI Hard Disk Controller
Service name:atapi
Service type:kernel
Error control:normal
Group:SCSI miniport
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi

Default Behavior

Standard IDE/ESDI Hard Disk Controller is a kernel device driver. In Windows XP it is starting before Kernel initialization. If the Standard IDE/ESDI Hard Disk Controller fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the atapi service has failed to start.


The following components depend on Standard IDE/ESDI Hard Disk Controller:

Restore Default Startup Configuration of Standard IDE/ESDI Hard Disk Controller

1. Run the Command Prompt.

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

sc config atapi start= boot
sc start atapi

3. Close the command window and restart the computer.

The atapi service is using the atapi.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 XP installation media.