NDIS Usermode I/O Protocol (Ndisuio) Service Defaults in Windows 7
NDIS User mode I/O driver by Microsoft Corporation.
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 7 it won't be started if the user doesn't start it. If NDIS Usermode I/O Protocol fails to start, Windows 7 attempts to write the failure details into Event Log. Then Windows 7 startup should proceed and the user should be notified that the Ndisuio service is not running because of the error.
Dependencies
If NDIS Usermode I/O Protocol is stopped, the following services cannot start:
Restore Default Startup Configuration of NDIS Usermode I/O Protocol
1. Run the Command Prompt as an administrator.
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 7 installation media.