Start Page: registry value StartPageUserHKCU\Software\Policies\Mozilla\Firefox\Homepage

Policy ID
HomepageStartPage
Scope
Computer Configuration, User Configuration
Supported on
Firefox 64 or later, Firefox 60.4 ESR or later
Source
Mozilla Firefox Policy Templates (version 8.3)
Category
Mozilla › Firefox › Home page

Registry

StartPage

REG_SZUserComputer
Enabled value
Depends on the option value
Element
-
Options
ItemStored value
Nonenone
Homepagehomepage
Previous Sessionprevious-session
Homepage (Locked)homepage-locked
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Mozilla\Firefox\Homepage]

; Options (use only one)
; None
"StartPage"="none"
; Homepage
"StartPage"="homepage"
; Previous Session
"StartPage"="previous-session"
; Homepage (Locked)
"StartPage"="homepage-locked"
CMD
:: Options (use only one)

:: None
reg add "HKCU\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "none" /f
:: Homepage
reg add "HKCU\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "homepage" /f
:: Previous Session
reg add "HKCU\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "previous-session" /f
:: Homepage (Locked)
reg add "HKCU\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "homepage-locked" /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Homepage' -Force | Out-Null

# Options (use only one)
# None
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'none' -Force | Out-Null
# Homepage
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'homepage' -Force | Out-Null
# Previous Session
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'previous-session' -Force | Out-Null
# Homepage (Locked)
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'homepage-locked' -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Mozilla\Firefox\Homepage]

; Options (use only one)
; None
"StartPage"="none"
; Homepage
"StartPage"="homepage"
; Previous Session
"StartPage"="previous-session"
; Homepage (Locked)
"StartPage"="homepage-locked"
CMD
:: Options (use only one)

:: None
reg add "HKLM\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "none" /f
:: Homepage
reg add "HKLM\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "homepage" /f
:: Previous Session
reg add "HKLM\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "previous-session" /f
:: Homepage (Locked)
reg add "HKLM\Software\Policies\Mozilla\Firefox\Homepage" /v "StartPage" /t REG_SZ /d "homepage-locked" /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Homepage' -Force | Out-Null

# Options (use only one)
# None
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'none' -Force | Out-Null
# Homepage
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'homepage' -Force | Out-Null
# Previous Session
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'previous-session' -Force | Out-Null
# Homepage (Locked)
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Homepage' -Name 'StartPage' -PropertyType String -Value 'homepage-locked' -Force | Out-Null