IP Helper functions

The following functions retrieve and modify configuration settings for the TCP/IP transport on the local computer. The following categorical listing can help determine which collection of functions is best suited for a given task.

Adapter management

Address Resolution Protocol (ARP) management

Interface conversion

Interface management

Internet Protocol (IP) and Internet Control Message Protocol (ICMP)

IP address management

IP address string conversion

IP neighbor address management

IP path management

IP route management

IP table memory management

IP utility

Network configuration


Packet timestamping

Persistent port reservation

Security health

These functions are defined only on Windows Server 2003.


These functions are not available on Windows Vista, nor on Windows Server 2008.

Teredo IPv6 client management

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)

Deprecated APIs


These functions are deprecated, and are not supported by Microsoft.