Use HTTP 1.1: registry value EnableHttp1_1ComputerHKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
- Policy ID
- Advanced_EnableHttp1_1
- Scope
- Computer Configuration, User Configuration
- Supported on
- At least Internet Explorer 8.0
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Internet Explorer › Internet Control Panel › Advanced Page
Registry
EnableHttp1_1
REG_DWORDComputerUser…\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet SettingsHKLM\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings Current key
HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
- Enabled value
- 1
- Disabled value
- 0
Apply with .reg · CMD · PowerShell
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings] ; Options (use only one) ; Enabled "EnableHttp1_1"=dword:00000001 ; Disabled "EnableHttp1_1"=dword:00000000
CMD
:: Options (use only one) :: Enabled reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings" /v "EnableHttp1_1" /t REG_DWORD /d 1 /f :: Disabled reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings" /v "EnableHttp1_1" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings' -Force | Out-Null # Options (use only one) # Enabled New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings' -Name 'EnableHttp1_1' -PropertyType DWord -Value 1 -Force | Out-Null # Disabled New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings' -Name 'EnableHttp1_1' -PropertyType DWord -Value 0 -Force | Out-Null
UserPer-account setting
.reg
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings] ; Options (use only one) ; Enabled "EnableHttp1_1"=dword:00000001 ; Disabled "EnableHttp1_1"=dword:00000000
CMD
:: Options (use only one) :: Enabled reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings" /v "EnableHttp1_1" /t REG_DWORD /d 1 /f :: Disabled reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings" /v "EnableHttp1_1" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings' -Force | Out-Null # Options (use only one) # Enabled New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings' -Name 'EnableHttp1_1' -PropertyType DWord -Value 1 -Force | Out-Null # Disabled New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings' -Name 'EnableHttp1_1' -PropertyType DWord -Value 0 -Force | Out-Null