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Thread: UDP Packet.Win10.RegistryLocation

  1. #1
    Junior Member
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    UDP Packet.Win10.RegistryLocation

    Hey there. Was recently reading the Advanced Tweaks section and I came across the UDP Packet size section and decided to take a look in the registry (windows 10 latest as of Jan 18') and I didn't find the registry location listed on the Advanced Tweaks UDP section; HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters. Is this not used in Windows 10? Or has the location changed? Also, what does FastSendDatagramThreashold, & FastCopyReceiveThreshold do? Does it reduce latency? Does it benefit gaming? Do either the UDP or the Threshold settings help reduce latency, or increase granularity? Thanks!

  2. #2
    Administrator Philip's Avatar
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    Windows 10 does not use many of those registry settings. What is still being used is in the "Windows 10 TCP/IP Tweaks" article: https://www.speedguide.net/articles/...ip-tweaks-5077

    For gaming, you can look at the "Gaming Tweaks" and the "LAN Tweaks" articles here: https://www.speedguide.net/articles.php?category=93

  3. #3
    Just copy this in a Batch and Run it, its include everything from Speedguide Optimization what is not included by the TCP Optimizer:

    Code:
    @echo off
    :SG_Gaming_Tweaks
    REM Network Throttling Index Gaming Tweak
    REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" /v NetworkThrottlingIndex /t REG_DWORD /d 4294967295 /f
    REM System Responsiveness Gaming Tweak
    REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile" /v SystemResponsiveness /t REG_DWORD /d 00000010 /f
    REM Turn off LargeSystemCache ( Default: 0 Win10 1803 )
    REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v LargeSystemCache /t REG_DWORD /d 00000000 /f
    REM Disable Game Bar and Game Mode and Xbox DVR under Windows 10
    REM Game Bar
    REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\xbgm" /v Start /t REG_DWORD /d 00000004 /f
    REM Game Mode
    REG ADD "HKEY_CURRENT_USER\Software\Microsoft\GameBar" /v AllowAutoGameMode /t REG_DWORD /d 00000000 /f
    REM Xbox DVR 
    REG ADD "HKEY_CURRENT_USER\System\GameConfigStore" /v GameDVR_Enabled /t REG_DWORD /d 00000000 /f
    REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\" /v AllowGameDVR /t REG_DWORD /d 00000000 /f
    REM MMCSS(Multimedia Class Scheduler) Tweak
    REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "Scheduling Category" /t REG_SZ /d "High" /f
    REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games" /v "SFIO Priority" /t REG_SZ /d "High" /f
    REM ECN Capability
    netsh int tcp set global ecncapability=enabled
    REM Disable Receive Segment Coalescing State (RSC) & Disable Large Send Offload (LSO) & PacketCoalescing under Windows 10
    powershell.exe Set-NetOffloadGlobalSetting -PacketCoalescingFilter Disabled -ReceiveSegmentCoalescing Disabled
    REM Disable Large Send Offload (LSO) under Adapter
    powershell.exe Disable-NetAdapterLso -Name *
    REM Enable Checksum Offload under Adapter
    powershell.exe Enable-NetAdapterChecksumOffload -Name * -IpIPv4 -TcpIPv4 -TcpIPv6 -UdpIPv4 -UdpIPv6
    pause
    St1cky

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