NetIO Legacy TDI Support Driver - Windows Vista Service
NetIO Legacy TDI Support Driver.
This service also exists in Windows 10, 11, 7 and 8.
Startup Type
| Windows Vista edition | without SP | SP1 | SP2 |
|---|---|---|---|
| Starter | System | System | System |
| Home Basic | System | System | System |
| Home Premium | System | System | System |
| Business | System | System | System |
| Ultimate | System | System | System |
Default Properties
| Display name: | NetIO Legacy TDI Support Driver |
| Service name: | tdx |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\tdx.sys |
| Error control: | normal |
| Group: | PNP_TDI |
Default Behavior
The NetIO Legacy TDI Support Driver service is a kernel mode driver. If NetIO Legacy TDI Support Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the tdx service has failed to start. If you disable this service, then 4 other services will be unable to start (see the "Dependencies" section below).
Dependencies
NetIO Legacy TDI Support Driver will not start, if the TCP/IP Protocol Driver service is stopped or disabled.
If the NetIO Legacy TDI Support Driver is stopped, the following services will not start and initialize:
Restore Default Startup Type of NetIO Legacy TDI Support Driver
Automated Restore
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreNetIOLegacyTDISupportDriverWindowsVista.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the tdx.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows Vista installation media.