What is the scheduled task "\Microsoft\Windows\Tcpip\IpAddressConflict1" on my Windows 7 computer?

"\Microsoft\Windows\Tcpip\IpAddressConflict1" is a scheduled task on Windows 7 system added as part of Windows installation.

You will see "\Microsoft\Windows\Tcpip\IpAddressConflict1" listed on Task Scheduler with the following information:

Name: IpAddressConflict1
Location: \Microsoft\Windows\Tcpip
Description: This event is triggered when an IP address conflict is detected.
Actions: %windir%\system32\rundll32.exe ndfapi.dll,NdfRunDllDuplicateIPOffendingSystem
Triggers: On event
History: 

Program file information about "ndfapi.dll":

File name: ndfapi.dll
File path: C:\windows\system32\ndfapi.dll
File size: 238592 bytes
Last modified time: 7/13/2009 9:41:52 PM
File description: Network Diagnostic Framework Client API
File version: 6.1.7600.16385 (win7_rtm.090713-1255)
Company name: Microsoft Corporation

"ndfapi.dll" is scheduled to run. But it may never be executed.

It is recommended to keep "\Microsoft\Windows\Tcpip\IpAddressConflict1" enabled as a scheduled task.

⇒ "IpAddressConflict2" Scheduled Task on Windows 7

⇐ "Interactive" Scheduled Task on Windows 7

⇑ System Scheduled Tasks on Windows 7

⇑⇑ Windows 7 Scheduled Tasks