Default legacy SameSite cookie behavior setting: registry value LegacySameSiteCookieBehaviorEnabledUserHKCU\Software\Policies\Google\Chrome

Policy ID
LegacySameSiteCookieBehaviorEnabled
Scope
Computer Configuration, User Configuration
Supported on
Microsoft Windows 7 or later
Source
Google Chrome Policy Templates (version 156.0.8078.80)
Category
Google › Google Chrome › Removed policies

Registry

LegacySameSiteCookieBehaviorEnabled

REG_DWORDUserComputer
Enabled value
Depends on the option value
Element
Default legacy SameSite cookie behavior setting
Options
ItemStored value
Revert to legacy SameSite behavior for cookies on all sites1
Use SameSite-by-default behavior for cookies on all sites2
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Google\Chrome]

; Options (use only one)
; Revert to legacy SameSite behavior for cookies on all sites
"LegacySameSiteCookieBehaviorEnabled"=dword:00000001
; Use SameSite-by-default behavior for cookies on all sites
"LegacySameSiteCookieBehaviorEnabled"=dword:00000002
CMD
:: Options (use only one)

:: Revert to legacy SameSite behavior for cookies on all sites
reg add "HKCU\Software\Policies\Google\Chrome" /v "LegacySameSiteCookieBehaviorEnabled" /t REG_DWORD /d 1 /f
:: Use SameSite-by-default behavior for cookies on all sites
reg add "HKCU\Software\Policies\Google\Chrome" /v "LegacySameSiteCookieBehaviorEnabled" /t REG_DWORD /d 2 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Google\Chrome' -Force | Out-Null

# Options (use only one)
# Revert to legacy SameSite behavior for cookies on all sites
New-ItemProperty -Path 'HKCU:\Software\Policies\Google\Chrome' -Name 'LegacySameSiteCookieBehaviorEnabled' -PropertyType DWord -Value 1 -Force | Out-Null
# Use SameSite-by-default behavior for cookies on all sites
New-ItemProperty -Path 'HKCU:\Software\Policies\Google\Chrome' -Name 'LegacySameSiteCookieBehaviorEnabled' -PropertyType DWord -Value 2 -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Google\Chrome]

; Options (use only one)
; Revert to legacy SameSite behavior for cookies on all sites
"LegacySameSiteCookieBehaviorEnabled"=dword:00000001
; Use SameSite-by-default behavior for cookies on all sites
"LegacySameSiteCookieBehaviorEnabled"=dword:00000002
CMD
:: Options (use only one)

:: Revert to legacy SameSite behavior for cookies on all sites
reg add "HKLM\Software\Policies\Google\Chrome" /v "LegacySameSiteCookieBehaviorEnabled" /t REG_DWORD /d 1 /f
:: Use SameSite-by-default behavior for cookies on all sites
reg add "HKLM\Software\Policies\Google\Chrome" /v "LegacySameSiteCookieBehaviorEnabled" /t REG_DWORD /d 2 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Google\Chrome' -Force | Out-Null

# Options (use only one)
# Revert to legacy SameSite behavior for cookies on all sites
New-ItemProperty -Path 'HKLM:\Software\Policies\Google\Chrome' -Name 'LegacySameSiteCookieBehaviorEnabled' -PropertyType DWord -Value 1 -Force | Out-Null
# Use SameSite-by-default behavior for cookies on all sites
New-ItemProperty -Path 'HKLM:\Software\Policies\Google\Chrome' -Name 'LegacySameSiteCookieBehaviorEnabled' -PropertyType DWord -Value 2 -Force | Out-Null