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Windows 7 (64-bit) Disable Proxy via cmd - and put in effect?

I have found the correct registry key to change, and have code to change it.

reg add    "HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings" /f /v ProxyEnable /t REG_DWORD /d 0

Found via 

gpresults /h "%userprofile%\desktop\RSPO.html"

Running the 'reg add' does change the reg key, same key that changes, when I open IE (as admin) and turn off the LAN proxy settings manually.

However, when I do it manually, the desired effect happens - I no longer have proxy issues. But via my cmd script, the key changes but I still have proxy issues. When I open the LAN proxy settings in IE, it's still Enabled.

How do I change the reg key and put it into effect?

Tried changing a bunch of registry keys...

Current script... 

reg add "HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings" /f /v ProxyEnable /t REG_DWORD /d 0
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /f /v ProxyEnable /t REG_DWORD /d 0

reg add "HKCU\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings" /f /v ProxyEnable /t REG_DWORD /d 0
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /f /v ProxyEnable /t REG_DWORD /d 0
mrdnk
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  • Tried running the script with administrative priviliges or some elevation command in front of it? Access rights to that registry key might prohibit changing it without administrative rights. You can check access rights by navigating to the key in regedit and rightklicking the entry, same way it works for files in windows explorer. – Johannes H. Feb 03 '14 at 21:10
  • I'm running cmd as admin. After running the script I get "The operation completed successfully". And the registry key has changed. – mrdnk Feb 03 '14 at 21:12
  • Can you edit your question to include the actual registry location you're changing? – Ƭᴇcʜιᴇ007 Feb 03 '14 at 21:27
  • There you go, sorry - had Stack Exchange logged in on different machine. – mrdnk Feb 03 '14 at 21:39
  • Not sure if you've noticed, but you have `REG_DWARD` instead of `REG_DWORD` Could that be it? – JSanchez Feb 03 '14 at 21:40
  • Just a typo on Superuser, have actually pasted in the whole cmd now. – mrdnk Feb 03 '14 at 21:44
  • @mrdnk: Try to escape the backslashes in your script using the caret `^` symbol. Or use double backslashes. See if that solves your issue. – JSanchez Feb 03 '14 at 22:37
  • For `reg`, it is double backslashes: http://ss64.com/nt/syntax-esc.html – JSanchez Feb 03 '14 at 22:45
  • it's in quotes, and it is changing the value. – mrdnk Feb 03 '14 at 22:49
  • @mrdnk: You are running a 64-bit OS. Just realized that. http://ovidiupl.wordpress.com/2008/07/11/useful-wow64-file-system-trick/ – JSanchez Feb 03 '14 at 23:20
  • Interesting read. Still no joy, but it gives me something to look into a bit deeper. – mrdnk Feb 03 '14 at 23:37
  • let us [continue this discussion in chat](http://chat.stackexchange.com/rooms/12828/discussion-between-jsanchez-and-mrdnk) – JSanchez Feb 03 '14 at 23:41
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    Possible duplicate of [In Windows 7, how to change proxy settings from command line?](http://superuser.com/questions/419696/in-windows-7-how-to-change-proxy-settings-from-command-line) – Butzke Oct 16 '15 at 14:30

4 Answers4

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Unfortunately, there is no easy way. As you’ve noticed, you’re missing the magic “read those settings now” command:

InternetSetOption(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, NULL)
InternetSetOption(NULL, INTERNET_OPTION_REFRESH, NULL, NULL)

Of course, you can’t just call a C function from cmd. There is, however, a (relatively) viable way to do it with PowerShell:

function Reload-InternetOptions
{
  $signature = @'
[DllImport("wininet.dll", SetLastError = true, CharSet=CharSet.Auto)]
public static extern bool InternetSetOption(IntPtr hInternet, int
dwOption, IntPtr lpBuffer, int dwBufferLength);
'@
  $interopHelper = Add-Type -MemberDefinition $signature -Name MyInteropHelper -PassThru

  $INTERNET_OPTION_SETTINGS_CHANGED = 39
  $INTERNET_OPTION_REFRESH = 37

  $result1 = $interopHelper::InternetSetOption(0, $INTERNET_OPTION_SETTINGS_CHANGED, 0, 0)
  $result2 = $interopHelper::InternetSetOption(0, $INTERNET_OPTION_REFRESH, 0, 0)

  $result1 -and $result2
}

Simply invoke it like this: Reload-InternetOptions. It will return True when successful.

Please note that this method dynamically creates some stuff each time you run it. It cannot be unloaded by PowerShell and will keep accumulating until you quit the PowerShell process that ran the method.

Community
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Daniel B
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  • Out of curiosity, how do you know that this event is needed to make the changes take effect? – Th1sD0t Feb 06 '20 at 09:37
  • @C4p741nZ Do you mean how to find out stuff like this? In the old days, you’d have to check the documentation. Nowadays you can just use Google. The trick is of course to find the right search terms. – Daniel B Feb 06 '20 at 10:14
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I had the same issue when enabling/disabling a proxy using a vbs script.

I just added this:

Shell.run "ms-settings:network-proxy"

WScript.Sleep 1000

Shell.Run "taskkill /f /im SystemSettings.exe", , True

it opens the proxy settings, waits 1 second and then closes it. This will ensure that your proxy changes are working.

bewstaf
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I have created simple CLI tool which force reload IE proxy settings. It calls WININET.DLL InternetSetOption function.

Download it from here: https://gofile.io/?c=ol4zE7

Tested on W7 and W10.

svmPavouk
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The IE settings are per-user, so I think you're just targeting the wrong Registry key.

For example, to turn our proxy check-box off domain-wide, we use a login script to disable it here:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable

Ƭᴇcʜιᴇ007
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  • That's what I initally went for by I found this in the gpresults ... `Policy Setting Winning GPO Make proxy settings per-machine (rather than per-user) Enabled TMG Proxy Settings Policy` – mrdnk Feb 03 '14 at 21:56
  • And... `Registry item (Key path: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings, Value name: ProxyEnable)` – mrdnk Feb 03 '14 at 21:58
  • Ok, and as you say, it doesn't work. ;) Does it work as you want if you use the HKCU key instead? – Ƭᴇcʜιᴇ007 Feb 03 '14 at 22:05
  • Tried changing a bunch of keys, see edit. – mrdnk Feb 03 '14 at 22:11