How to reduce latency in Windows 7?

Reduce Latency in Windows 7 Want to know how to reduce your latency in Windows 7, because you are always losing due to a poor ping? There are a few tricks that can help you to significantly improve your latency for certain (not all) games.

Windows is sending out ACK messages to confirm network packages. Some games are waiting until they receive that confirmation message before they send you another network package. The problem is, that Windows 7 is configured to wait for at least 2 network packages or 200ms before sending out a confirmation (ACK). That setting is trying to prevent a flood of ACK messages, but can increase your latency in Windows 7 by up to 200ms.

Windows 7 Latency Registry Fix

Because every PC has a different Interface key, you will have to do this manually or I’d have exported the key for you. So, follow the instructions and you’ll possibly improve your latency. It has been confirmed that this works great for games like WoW.

1. StepOpen the notepad and insert the text below:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters\Interfaces\{8B175340-8986-4A4B-922C-B324F903FA8E}]

“TcpAckFrequency”=dword:00000001
“TcpNoDelay”=dword:00000001

2. Step Uncollapse [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters\Interfaces].

3. Step Write down the name of the subfolder with the most entries in the right pane, e.g. {8B175340-8986-4A4B-922C-B324F903FA8E}

4. StepReplace the key {8B175340-8986-4A4B-922C-B324F903FA8E} with the key that your wrote down in step 3.

5. StepSave it as “.reg” file (extension .reg).

6. Step Execute the registry file.

Reduce Latency in WoW

If you want to reduce your latency in WoW, read this guide dedicated to WoW:
Improve Latency in WoW

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