TcpDelAckTicks

HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\<interface-name>

Data type	Range	Default value
REG_DWORD	0 - 6 100-millisecond intervals	2

Description

Specifies the time interval that defines the end of a segment stream. When an interval equal to this value elapses between the receipt of TCP segments, TCP considers the segment stream to be complete and sends an ACK to acknowledge the segment. Otherwise, TCP acknowledges only alternating segments (every other segment).

This interval is used in TCP's delayed acknowledgement strategy in accordance with RFC 1122.

Note Image Note

Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits the registry.

Caution Image Caution

Do not change this value without careful study of the environment.