How to Disable or Enable Vista User Access Control in Command Prompt

There are many possible way to turn off or turn on User Access Control (UAC) in Windows Vista, which frequently pop up a confirmation dialog window to asking for permissions to continue a task which requires elevated administrator rights. Normally UAC cannot be enabled or disabled by using GUI-based Control Panel. For programmers or developers, it may be useful to be able to enable or disable UAC by using CLI (command line interface) commands, which can be used to automate tasks in batch script.

The ability to enable or disable UAC from command prompt is actually using a trick to turn off or on UAC by using registry key. Simply open command prompt window and run the following command:

To Disable UAC

C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

To Enable UAC

C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 1 /f

After the command, computer needs to be restarted to the change to be effective.

This entry was posted on Monday, April 23rd, 2007 at 2:09 am and is filed under Windows Vista. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

5 Responses to “How to Disable or Enable Vista User Access Control in Command Prompt”

  1. How to Disable and Turn Off UAC in Windows 7 » My Digital Life
    February 4th, 2009 00:45
    5

    [...] greater convenient to advanced technical user. In actual, the commands,, which are also used to disable or enable UAC in Vista, are just doing the same thing as directly modifying the [...]

  2. How to Disable and Turn Off UAC in Windows 7 » My Digital Life
    February 4th, 2009 00:45
    4

    [...] greater convenient to advanced technical user. In actual, the commands,, which are also used to disable or enable UAC in Vista, are just doing the same thing as directly modifying the [...]

  3. admin
    June 25th, 2007 15:29
    3

    You need to launch as administrator.

  4. Shadic
    June 25th, 2007 14:07
    2

    I do this, and I end up with a oh-so-wonderful “Access is denied” in the MS-DOS window that appears…

  5. Myles
    April 23rd, 2007 23:48
    1

    Or you could just type msconfig and goto tools then down to Disable UAC

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