NetIO Legacy TDI Support Driver.
This service also exists in Windows 11, 7, 8 and Vista.
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | System | System | System | System |
| 1511 | System | System | System | System |
| 1607 | System | System | System | System |
| 1703 | System | System | System | System |
| 1709 | System | System | System | System |
| 1803 | System | System | System | System |
| 1809 | System | System | System | System |
| 1903 | System | System | System | System |
| 1909 | System | System | System | System |
| 2004 | System | System | System | System |
| 20H2 | System | System | System | System |
| 21H1 | System | System | System | System |
| 21H2 | System | System | System | System |
| 22H2 | System | System | System | System |
| Display name: | NetIO Legacy TDI Support Driver |
| Service name: | tdx |
| Type: | kernel |
| Path: | %WinDir%\system32\DRIVERS\tdx.sys |
| Error control: | normal |
| Group: | PNP_TDI |
The NetIO Legacy TDI Support Driver service is a kernel mode driver. If NetIO Legacy TDI Support Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the tdx service has failed to start.
NetIO Legacy TDI Support Driver is unable to start, if the TCP/IP Protocol Driver service is stopped or disabled.
If NetIO Legacy TDI Support Driver is stopped, the following services cannot start:
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreNetIOLegacyTDISupportDriverWindows10.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 10 installation media.