What key in windows registry disables IE connection parameter Automatically Detect Settings

Question

I m trying to set all the connection settings in IE   I ve found how to modify most of them  in the path    HKEY CURRENT USER Software Microsoft Windows CurrentVersion Internet Settings  But I can t find the parameter that sets or unsets  Automatically Detect Settings    Any help

User · Answer

I can confirm this works  I exported the reg file after I had made the adjustments and then put it in a logon script like this   REM ------ IE Auto Detect Settings FIX ------------------ REG IMPORT   mydomain local netlogon IE-Autofix reg 2 gt NUL

User · Answer

I have used a combined answer and made a powershell script which does the trick for you   name    PSScriptRoot          MyInvocation MyCommand Name  if     Security Principal WindowsPrincipal  Security Principal WindowsIdentity   GetCurrent    IsInRole  Security Principal WindowsBuiltInRole   Administrator      Start-Process powershell exe  -NoProfile -ExecutionPolicy Bypass -File    name    -Verb RunAs  exit     registryPath    HKCU  Software Microsoft Windows CurrentVersion Internet Settings    Name    AutoDetect    value    0   New-ItemProperty -Path  registryPath -Name  name -Value  value   -PropertyType DWORD -Force   Out-Null  Read-Host -Prompt  press Enter to Continue    The script will run as admin and the change the value to 0   Disable the Auto-Detect

User · Answer

You can always just export the registry  change the setting  then export the registry again and do a diff

User · Answer

Windows Registry Editor Version 5 00   HKEY LOCAL MACHINE SOFTWARE Policies Microsoft Internet Explorer Control Panel   Connection Settings  dword 00000000  Connwiz Admin Lock  dword 00000000  Autoconfig  dword 00000000  Proxy  dword 00000000  ConnectionsTab  dword 00000000

User · Answer

Another way to control this setting is by using an undocumented registry key AutoDetect 0 mentioned on this blog post   Registry Key   HKCU Software Microsoft Windows CurrentVersion Internet Settings  DWORD AutoDetect   0 or 1  So the  reg file to turn it off would look like  Windows Registry Editor Version 5 00  HKEY CURRENT USER Software Microsoft Windows CurrentVersion Internet Settings   quot AutoDetect quot  dword 00000000

User · Answer

I m aware that this question is a bit old  but I consider that my small update could help other programmers   I didn t want to modify WhoIsRich s answer because it s really great  but I adapted it to fulfill my needs    If the Automatically Detect Settings is checked then uncheck it  If the Automatically Detect Settings is unchecked then check it   On Error Resume Next  Set oReg     GetObject  winmgmts  impersonationLevel impersonate      root default StdRegProv   sKeyPath      Software Microsoft Windows CurrentVersion Internet Settings Connections  sValueName    DefaultConnectionSettings     Get registry value where each byte is a different setting  oReg GetBinaryValue  amp H80000001  sKeyPath  sValueName  bValue    Check byte to see if detect is currently on  If  bValue 8  And 8    8 Then       To change the value to Off      bValue 8    bValue 8  And Not 8   Check byte to see if detect is currently off  ElseIf  bValue 8  And 8    0 Then       To change the value to On      bValue 8    bValue 8  Or 8 End If   Write back settings value oReg SetBinaryValue  amp H80000001  sKeyPath  sValueName  bValue  Set oReg   Nothing    Finally  you only need to save it in a  VBS file  VBScript  and run it

User · Answer

If it is simply to disable a group policy that is enforced every 30 minutes you can uncheck the box then change the permissions to Read Only

User · Answer

For anyone looking to untick the  Automatically Detect Settings  box without overwriting the other settings contained in the registry entry  you can use vbscript at logon   On Error Resume Next  Set oReg     GetObject  winmgmts  impersonationLevel impersonate      root default StdRegProv   sKeyPath      Software Microsoft Windows CurrentVersion Internet Settings Connections  sValueName    DefaultConnectionSettings     Get registry value where each byte is a different setting  oReg GetBinaryValue  amp H80000001  sKeyPath  sValueName  bValue    Check byte to see if detect is currently on  If  bValue 8  And 8    8 Then      Turn off detect and write back settings value    bValue 8    bValue 8  And Not 8   oReg SetBinaryValue  amp H80000001  sKeyPath  sValueName  bValue  End If  Set oReg   Nothing

User · Answer

I think you can change the  Automatically detect settings  via the registry key name  AutoConfigURL   here is the code that I check in c   Wish you luck       RegistryKey registry   Registry CurrentUser OpenSubKey  Software  Microsoft  Windows  CurrentVersion  Internet Settings   true                       if registry GetValue  AutoConfigURL      null                                                  Proxy Server disabled  Untick Proxy Server                          registry DeleteValue  AutoConfigURL

User · Answer

Indeed  the 9th byte indicates the check state of the button  but the answers above don t take into account the checkbox which enables manual configuration  This check state value is also present in this ninth byte  The real answer should thus be  Byte value  00001001   Manual proxy is checked 00000101   Use automatic configuration script is checked 00000011   Automatically detect settings is checked  When multiple checkboxes are checked  the value of the 9th byte is the result of the bitwise OR operation on the values for which the checkbox is checked

User · Answer

I found the solution   it s the 9th byte of this key     HKEY CURRENT USER Software Microsoft Windows CurrentVersion Internet Settings Connections    DefaultConnectionSettings  hex 3c 00 00 00 1f 00 00 00 05 00 00 00 00 00 00    00 00 00 00 00 00 00 00 00 01 00 00 00 1f 00 00 00 68 74 74 70 3a 2f 2f 31    34 34 2e 31 33 31 2e 32 32 32 2e 31 36 37 2f 77 70 61 64 2e 64 61 74 90 0e    1e 66 d3 88 c5 01 01 00 00 00 8d a8 4e 9e 00 00 00 00 00 00 00 00  It s a bitfield    0x1   Always 1  0x2  Proxy enabled 0x4   Use automatic configuration script  checked 0x8   Automatically detect settings  checked   Mask 0x8 to turn it off  i e   subtract 8 if it s higher than 8   Thanks to Jamie on google groups   Update  Based on the VBScript by WhoIsRich combined with details in this answer  here s a PowerShell script to amend these  amp  related settings   function Set-ProxySettings        CmdletBinding        param    could improve with parameter sets           Parameter Mandatory    false            bool  AutomaticDetect    true                    Parameter Mandatory    false            bool  UseProxyForLAN    false                    Parameter Mandatory    false            AllowNull    AllowEmptyString             string  ProxyAddress    null                    Parameter Mandatory    false            int  ProxyPort   8080  closest we have to a default port for proxies                    AllowNull    AllowEmptyString             bool  UseAutomaticConfigurationScript    false           begin            string  ProxyRegRoot    HKCU  Software Microsoft Windows CurrentVersion Internet Settings           string  DefaultConnectionSettingsPath    Join-Path  ProxyRegRoot  Connections            byte  MaskProxyEnabled   2          byte  MaskUseAutomaticConfigurationScript   4          byte  MaskAutomaticDetect   8          int  ProxyConnectionSettingIndex   8           process        this setting is affected by multiple options  so fetch once here       byte    DefaultConnectionSettings   Get-ItemProperty -Path  DefaultConnectionSettingsPath -Name  DefaultConnectionSettings    Select-Object -ExpandProperty  DefaultConnectionSettings        region auto detect     if  AutomaticDetect             Set-ItemProperty -Path  ProxyRegRoot -Name AutoDetect -Value 1          DefaultConnectionSettings  ProxyConnectionSettingIndex     DefaultConnectionSettings  ProxyConnectionSettingIndex  -bor  MaskAutomaticDetect       else           Set-ItemProperty -Path  ProxyRegRoot -Name AutoDetect -Value 0          DefaultConnectionSettings  ProxyConnectionSettingIndex     DefaultConnectionSettings  ProxyConnectionSettingIndex  -band  -bnot  MaskAutomaticDetect             endregion       region defined proxy     if  UseProxyForLAN            if -not   string   IsNullOrWhiteSpace  ProxyAddress                  Set-ItemProperty -Path  ProxyRegRoot -Name ProxyServer -Value    0   1   -f  ProxyAddress  ProxyPort                    Set-ItemProperty -Path  ProxyRegRoot -Name ProxyEnable -Value 1          DefaultConnectionSettings  ProxyConnectionSettingIndex     DefaultConnectionSettings  ProxyConnectionSettingIndex  -bor  MaskProxyEnabled       else           Set-ItemProperty -Path  ProxyRegRoot -Name ProxyEnable -Value 0                  DefaultConnectionSettings  ProxyConnectionSettingIndex     DefaultConnectionSettings  ProxyConnectionSettingIndex  -band  -bnot  MaskProxyEnabled             endregion       region config script     if  UseAutomaticConfigurationScript            DefaultConnectionSettings  ProxyConnectionSettingIndex     DefaultConnectionSettings  ProxyConnectionSettingIndex  -bor  MaskUseAutomaticConfigurationScript      else           DefaultConnectionSettings  ProxyConnectionSettingIndex     DefaultConnectionSettings  ProxyConnectionSettingIndex  -band  -bnot  MaskUseAutomaticConfigurationScript              endregion       persist the updates made above     Set-ItemProperty -Path  DefaultConnectionSettingsPath -Name  DefaultConnectionSettings  -Value  DefaultConnectionSettings

[internet-explorer] What key in windows registry disables IE connection parameter "Automatically Detect Settings"?

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