NDIS Usermode I/O Protocol (Ndisuio) Service Defaults in Windows XP
NDIS Usermode I/O Protocol.
Default Settings
| Startup type: | Manual |
| Display name: | NDIS Usermode I/O Protocol |
| Service name: | Ndisuio |
| Service type: | kernel |
| Error control: | normal |
| Group: | NDIS |
| Path: | %SystemRoot%\system32\DRIVERS\ndisuio.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Ndisuio |
Default Behavior
NDIS Usermode I/O Protocol is a kernel device driver. In Windows XP it won't start until the current user starts it. If the NDIS Usermode I/O Protocol 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 Ndisuio service has failed to start.
Dependencies
The following components depend on NDIS Usermode I/O Protocol:
Restore Default Startup Configuration of NDIS Usermode I/O Protocol
1. Run the Command Prompt.
2. Copy the command below, paste it into the command window and press ENTER:
sc config Ndisuio start= demand
3. Close the command window and restart the computer.
The Ndisuio service is using the ndisuio.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.