Provides automatic IPv6 connectivity over an IPv4 network. If this service is stopped, the machine will only have IPv6 connectivity if it is connected to a native IPv6 network.
This service also exists in Windows 10, 11, 7 and 8.
| Windows Vista edition | without SP | SP1 | SP2 |
|---|---|---|---|
| Starter | Automatic | Automatic | Automatic |
| Home Basic | Automatic | Automatic | Automatic |
| Home Premium | Automatic | Automatic | Automatic |
| Business | Automatic | Automatic | Automatic |
| Ultimate | Automatic | Automatic | Automatic |
| Display name: | IP Helper |
| Service name: | iphlpsvc |
| Type: | share |
| Path: | %WinDir%\System32\svchost.exe -k NetSvcs |
| File: | %WinDir%\System32\iphlpsvc.dll |
| Error control: | normal |
| Object: | LocalSystem |
| Privileges: |
|
The IP Helper service starts as LocalSystem and runs in a shared process of svchost.exe. If IP Helper 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 iphlpsvc service has failed to start.
The IP Helper service won't start, if the following system components are stopped or disabled:
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreIPHelperWindowsVista.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 iphlpsvc.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows Vista installation media.