Logical Disk Manager Driver (dmio) Service Defaults in Windows XP

NT Disk Manager I/O Driver by Microsoft Corp., Veritas Software.

Default Settings

Startup type:
Windows XP HomeDisabled
Windows XP ProfessionalBoot
Windows XP Home SP1Disabled
Windows XP Professional SP1Boot
Windows XP Home SP2Disabled
Windows XP Professional SP2Boot
Windows XP Home SP3Disabled
Windows XP Professional SP3Boot
Display name:Logical Disk Manager Driver
Service name:dmio
Service type:kernel
Error control:normal
Group:System Bus Extender
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\dmio

Default Behavior

Logical Disk Manager Driver is a kernel device driver. It is disabled and isn't loading or starting in Windows XP Home SP0, Windows XP Home SP1, Windows XP Home SP2, Windows XP Home SP3. This service is starting before Kernel initialization in Windows XP Professional SP0, Windows XP Professional SP1, Windows XP Professional SP2, Windows XP Professional SP3.

If the Logical Disk Manager Driver 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 dmio service has failed to start.

Restore Default Startup Configuration of Logical Disk Manager Driver

1. Run the Command Prompt.

2. Depending on the version of your operating system, copy the commands below, paste them into the command window and press ENTER.

For Windows XP SP0 Home, Windows XP SP1 Home, Windows XP SP2 Home, Windows XP SP3 Home:
sc stop dmio
sc config dmio start= disabled

For Windows XP SP0 Professional, Windows XP SP1 Professional, Windows XP SP2 Professional, Windows XP SP3 Professional:
sc config dmio start= boot
sc start dmio

3. Close the command window and restart the computer.

The dmio service is using the dmio.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.