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New Member
Group: Forum Members
Last Login: 3/11/2008 5:34 AM
Posts: 34,
Visits: 37
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Hello,
I play lots of MMORPGs and it is often a problem to have high latency between the game client and the servers, especially at peak times. It has come to my attention that some Win XP users have altered their registry to successfully reduce latency and I was wondering whether something similar could be done in Win Vista x64.
In advanced, thank you very much for your time and help 
Here is a copy paste of the instructions they have followed:
Original source
To get low pings with 2 simple registry hacks do the following. You need to apply both registry changes to get the maximum effect.
1 - TcpAckFrequency - NOTE if you are running Windows Vista this setting may not have any effect - a hotfix is needed which i'm tracking down. This works fine under Windows XP
Type "regedit" in windows "run.." dialog to bring up registry menu
Then find:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters\Interfaces \
There will be multiple NIC interfaces listed in there, find the one you use to connect to the internet, there will be several interfaces listed (they have long names like {7DBA6DCA-FFE8-4002-A28F-4D2B57AE8383}. Click each one, the right one will have lots of settings in it and you will see your machines IP address listed there somewhere. Right-click in the right hand pane and add a new DWORD value, name it TcpAckFrequency, then right click the entry and click Modify and assign a value of 1.
You can change it back to 2 (default) at a later stage if it affects your other TCP application performance. it tells windows how many TCP packets to wait before sending ACK. if the value is 1, windows will send ACK every time it receives a TCP package.
2 - TCPNoDelay
This one is pretty simple
Discussed here
Type "regedit" in windows "run.." dialog to bring up registry menu
Then find:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Paramet ers
Right-click in the right hand pane and add a new DWORD value, name it TCPNoDelay, then right click the entry and click Modify and assign a value of 1.
Click Ok and close the registry editor, then reboot your PC.
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tyvm
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Site Owner
Group: Administrators
Last Login: 7/13/2008 8:04 PM
Posts: 636,
Visits: 1,809
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Hi Coco Mistico,
In general just about all XP related network tweaks do not apply to Windows Vista or newer since the network stack was rewritten from scratch. If you want to optomize your TCP/IP settings I would suggest using the speedguide.net TCP Optimizer utility.
http://www.speedguide.net/tcpoptimizer.php
It is free and easy to use. Best of all, you can easily undo changes. Make sure to read the documentation first, you will learn a lot about what each setting does.
Good Luck!
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