TCP/IP Protocol Driver (Tcpip) Service Defaults in Windows XP

TCP/IP Protocol Driver.

Default Settings

Startup type: System
Display name:TCP/IP Protocol Driver
Service name:Tcpip
Service type:kernel
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip

Default Behavior

TCP/IP Protocol Driver is a kernel device driver. In Windows XP it is starting right at Kernel initialization. If the TCP/IP Protocol Driver 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 Tcpip service has failed to start.


TCP/IP Protocol Driver depends on the IPSEC driver service.

The following components depend on TCP/IP Protocol Driver:

Restore Default Startup Configuration of TCP/IP Protocol Driver

Before you begin doing this, make sure that all the services on which TCP/IP Protocol Driver depends are configured by default and function properly. See the list of dependencies above.

1. Run the Command Prompt.

2. Copy the commands below, paste them into the command window and press ENTER:

sc config Tcpip start= system
sc start Tcpip

3. Close the command window and restart the computer.

The Tcpip service is using the tcpip.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows XP installation media.