Logon options: registry value 1A00 (Zones\0)UserHKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- Policy ID
- IZ_PolicyLogon_9
- Scope
- Computer Configuration, User Configuration
- Supported on
- At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Internet Explorer › Internet Control Panel › Security Page › Local Machine Zone
Registry
1A00
REG_DWORDUserComputer…\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0 Current key
HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- Enabled value
- Depends on the option value
- Element
- Logon options
| Item | Stored value |
|---|---|
| Anonymous logon | 196608 |
| Automatic logon only in Intranet zone | 131072 |
| Automatic logon with current username and password | 0 |
| Prompt for user name and password | 65536 |
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] ; Options (use only one) ; Anonymous logon "1A00"=dword:00030000 ; Automatic logon only in Intranet zone "1A00"=dword:00020000 ; Automatic logon with current username and password "1A00"=dword:00000000 ; Prompt for user name and password "1A00"=dword:00010000
CMD
:: Options (use only one) :: Anonymous logon reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 196608 /f :: Automatic logon only in Intranet zone reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 131072 /f :: Automatic logon with current username and password reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 0 /f :: Prompt for user name and password reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 65536 /f
PowerShell
# Common: create the key New-Item -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Force | Out-Null # Options (use only one) # Anonymous logon New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 196608 -Force | Out-Null # Automatic logon only in Intranet zone New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 131072 -Force | Out-Null # Automatic logon with current username and password New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 0 -Force | Out-Null # Prompt for user name and password New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 65536 -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] ; Options (use only one) ; Anonymous logon "1A00"=dword:00030000 ; Automatic logon only in Intranet zone "1A00"=dword:00020000 ; Automatic logon with current username and password "1A00"=dword:00000000 ; Prompt for user name and password "1A00"=dword:00010000
CMD
:: Options (use only one) :: Anonymous logon reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 196608 /f :: Automatic logon only in Intranet zone reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 131072 /f :: Automatic logon with current username and password reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 0 /f :: Prompt for user name and password reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0" /v "1A00" /t REG_DWORD /d 65536 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Force | Out-Null # Options (use only one) # Anonymous logon New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 196608 -Force | Out-Null # Automatic logon only in Intranet zone New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 131072 -Force | Out-Null # Automatic logon with current username and password New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 0 -Force | Out-Null # Prompt for user name and password New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0' -Name '1A00' -PropertyType DWord -Value 65536 -Force | Out-Null