IP Network Address Translator (IpNat) Service Defaults in Windows XP
IP Network Address Translator.
|Display name:||IP Network Address Translator|
IP Network Address Translator is a kernel device driver. In Windows XP it won't start until the current user starts it. If the IP Network Address Translator fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the IpNat service has failed to start.
IP Network Address Translator depends on the TCP/IP Protocol Driver service.
Restore Default Startup Configuration for IP Network Address Translator
1. Select your Windows XP edition and service pack, and then click Download.
2. Save the WinXP_IpNat_Service_Startup.cmd file to a local storage device.
3. Run the saved file.
4. Restart the computer.
The IpNat service is using the ipnat.sys file that is located in the %WinDir%\system32\DRIVERS folder. If the file is changed, damaged or deleted, you can restore its original version from Windows XP installation media.