Created
October 6, 2023 13:15
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Windows 11 network optimization batch file
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| @echo off | |
| setlocal EnableDelayedExpansion | |
| REM Check if running as administrator | |
| net session >nul 2>&1 | |
| if %errorLevel% == 0 ( | |
| echo Running as administrator... | |
| ) else ( | |
| echo This batch file must be run as administrator! | |
| pause | |
| exit /b | |
| ) | |
| REM Set variables for TCP/IP service provider priority | |
| set regkey=HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider | |
| set LocalPriority=4 | |
| set HostPriority=5 | |
| set DnsPriority=6 | |
| set NetbtPriority=7 | |
| REM Disable Nagle's algorithm | |
| set regkey=HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters | |
| reg add %regkey% /v TcpAckFrequency /t REG_DWORD /d 1 /f | |
| reg add %regkey% /v TCPNoDelay /t REG_DWORD /d 1 /f | |
| REM Increase maximum simultaneous connections | |
| reg add %regkey% /v MaxUserPort /t REG_DWORD /d 65534 /f | |
| reg add %regkey% /v TcpTimedWaitDelay /t REG_DWORD /d 30 /f | |
| netsh int ipv4 set dynamicport tcp start=1025 num=64510 | |
| REM Enable network optimizations | |
| netsh interface tcp set global chimney=disabled | |
| netsh interface tcp set global autotuninglevel=experimental | |
| netsh interface tcp set global rss=enabled | |
| netsh interface tcp set global ecncapability=disabled | |
| netsh int tcp set supplemental Internet congestionprovider=ctcp | |
| netsh int tcp set global dca=enabled | |
| netsh int tcp set global rsc=disabled | |
| netsh int tcp set global timestamps=disabled | |
| netsh int tcp set global initialRto=3000 | |
| netsh int tcp set global nonsackrttresiliency=disabled | |
| netsh int tsp set global maxsynretransmissions=2 | |
| netsh int ipv4 set subinterface "Wi-Fi" mtu=1500 store=persistent | |
| REM Reset Winsock Catalog and TCP/IP | |
| netsh winsock reset | |
| netsh int ip reset reset.log | |
| REM Flush DNS cache | |
| ipconfig /flushdns | |
| REM release/renew IP address | |
| ipconfig /release | |
| ipconfig /renew | |
| REM Log changes to a file | |
| echo %date% %time% - Network optimizations applied >> network_optimizations.log | |
| REM Wait for user input before closing window | |
| pause |
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