New registry entry for controlling the TCP Acknowledgment (ACK) behavior in Windows XP and in Windows Server 2003
- No acknowledgment was sent for the previous segment received.
- A segment is received, but no other segment arrives within 200 milliseconds for that connection.
Important Before you edit this registry entry, you must first install the hotfix that is described in the following article:
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
Value Type:REG_DWORD, number
Description:Specifies the number of ACKs that will be outstanding before the delayed ACK timer is ignored. Microsoft does not recommend changing the default value without careful study of the environment. For more information, visit the following Microsoft Web page:
Article ID: 328890 - Last Review: 02/28/2007 19:35:34 - Revision: 4.5
- kbinfo KB328890