Vista User Account Control  ConsentPromptBehaviorAdmin

Vista Registry Hack – ConsentPromptBehaviorAdminVista Registry Hack - ConsentPromptBehaviorAdmin

This is the situation: you are logged on at a Vista computer as administrator, and you wish to make a configuration change.  Up pops the UAC (User account Control) and ask, ‘If you started this action, continue’.  You must click on that ‘Continue’ button before Vista completes your configuration.

Topics for ConsentPromptBehaviorAdmin


Default Situation for UAC and ConsentPromptBehaviorAdmin

New in Vista, is a security check whereby you need elevated rights before you can make any changes.  Normal behaviour in Vista is that everyone operates with only minimal user rights; yet if you really are the Administrator, then you can call for elevated rights.

Frankly, if you are not in a sensitive security environment, then this UAC procedure is a pain.  Vista, drove me mad, so I sought a registry hack to remove the need to click ‘Continue’ in the security box every time I need to make a configuration change.

Please note that if you don’t want to use the registry to change the Vista UAC behavior, Microsoft provide a Local Group Policy to suppress the UAC dialog box.  See here for details of how to control:
Behavior of the elevation prompt for administrators…..

Instructions for Editing ConsentPromptBehaviorAdmin

If you want to go ahead and change the behavior of the Windows Security dialog using the registry, this is how you alter ConsentPromptBehavior.

  1. Launch regedit and navigate to:
    When you navigate to : HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\
    Beware, at first I overlooked the \System sub folder.
  2. The default value is : "ConsentPromptBehaviorAdmin" = dword:00000002. 
    This means: Display the UAC dialog box
  3. Change to: "ConsentPromptBehaviorAdmin" = dword:00000000.  ConsentPromptBehaviorAdmin Registry hack for Vista
  4. Setting the value of "ConsentPromptBehaviorAdmin" to zero bypasses the new UAC interface and the administrative task completes without further user interaction. 
  5. In Vista there is no need to even logoff, changes to "ConsentPromptBehaviorAdmin" are applied straight away.

Key Points

  • Do you find the ConsentPromptBehaviorAdmin value in HKCU** or HKLM? 
    Answer: HKLM
  • Should you add a value, or modify an existing setting? 
    Answer: Modify 00000002 –> 00000000
  • Is ConsentPromptBehaviorAdmin a String Value or a DWORD? 
    Answer: DWORD.
  • Do you need to Restart, or merely Log Off / On? 
    Answer: Neither.  Changes to ConsentPromptBehaviorAdmin happen straight away.
  • Tip: Add this Value, ConsentPromptBehaviorAdmin to Regedit’s Favorites menu
  • See more about Local System Policy and UAC behavior

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Bonus Registry Hack – Turn off the notification that you disabled UAC

If you use the Control Panel or the Local Policy to control the UAC then you get a notification to warn you that the UAC has been turned off.  What this registry hack does is disable that notification box.

Launch regedit and navigate to:

You have two choices, either disable or delete.  If you go for the disable, then you could rename the key, for example {FD6905CE Notify}.

History of the UAC

UAC (User Account Control) was a hot topic in Vista Betas.  Here is a short history of how this system evolved.  Indeed, UAC may still be evolving in the sense that more and more people turn off the ‘Continue’ dialog box.

Build 5270
Incidentally, note the better graphics, for example the glowing ‘Permit’ button


Build 5112

ConsentPromptBehavior UAC Vista Registry Hack

Decision to alter the behaviour of User Account Control

Technically, when you want to perform an administrative action in Vista, the operating system switches tokens and asks you to confirm the action that is about to take place.  The advantage of ConsentPromptBehavior is that it allows you to just click on a button which says ‘Continue’.  No more struggling with the pound, ampersand or what ever strange keystrokes your password requires.

Does ConsentPromptBehavior compromise the whole idea of extra security?  Yes and No.  Yes, if you leave your machine unlocked and some psycho takes advantage of an unattended machine.  No, because it still protects you from rogue programs such as maleware that are trying sneaky back door activities on your machine.  If you are concerned about security then do not change either the registry or the local policy settings.  If security is not paramount and you know who you where your real security enemies are, then go ahead,  join me by removing this nagging UAC dialog box.

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Summary of ConsentPromptBehaviorAdmin

Whenever you make a change to the Vista operating system that could compromise security, then up comes a UAC dialog box.  If you are security conscious then you will applaud this measure, read the menu and click on ‘Continue’.  However if you are a developer or administrator in a secure environment, then you may decide to edit the registry or change the local policy and thus bypass this nagging menu.

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Windows Vista Registry Tweaks: