Energy options permissions?

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    • #42952

      Hi,

      I’m using 2k8 on my notebook and like it so far. But to maximize battery life, I’d like to be able to set energy/performance settings on the fly (by clicking on the battery symbol in the tray.) Problem is, changing the energy settings seems to be restricted to the Administrator account. I looked all over the Group Policy and Security Policy dialogs, and couldn’t find a pertaining setting. Does anyone know where to look? Perhaps in the registry?

    • #45638

      Control Panel,
      then select Power Options.

      You do need Admin privlages, which you should have if you set ws2008 yourself

    • #45639

      I knew about the control panel, it also works through the tray icon. However, I’m intentionally not running as admin – I believe a user account should run with as few access rights as possible. It should be a simple matter of assigning some access right to the ‘Users’ group, but I can’t figure out where to do it… the shutdown right could be easily managed in the security policies editor, but I can’t find a corresponding setting for the power options.

    • #45640

      you can only set it as admin, so login as admin do your settings or create custum settings and your done, I would think its not something you would change every day and it has options for full power and battery mode for each power setting.

    • #45641
      Arris
      Moderator

      hey Karstux,

      You can use the following workaround:
      In the command type:

      powercfg /l

      My output is for example:

      Existing Power Schemes (* Active)
      
      Power Scheme GUID: 381b4222-f694-41f0-9685-ff5bb260df2e (Balanced)
      Power Scheme GUID: 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c (High performance) *
      Power Scheme GUID: a1841308-3541-4fab-bc81-f71556f20b4a (Power saver)

      Now create a batch file with the following content, change the guid’s/names to the ones you got when executing powercfg /L:

      @echo off
      echo Wich Powerplan do you want to use?
      echo [1] Balanced
      echo [2] High performance
      echo [3] Power saver
      echo Powerplan: && set /p plan=

      if %plan% == 1 set guid=381b4222-f694-41f0-9685-ff5bb260df2e
      if %plan% == 2 set guid=8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
      if %plan% == 3 set guid=a1841308-3541-4fab-bc81-f71556f20b4a

      runas /user:Administrator "cmd /c powercfg /setactive %guid%"
      ping localhost -n 1 -w 1000>nul
      echo.
      echo Powerplan is now:
      powercfg /L|find ") *"
      echo.

      pause

      Example of execution:

      C:UsersAdministratorDesktop>powercfg /l

      Existing Power Schemes (* Active)
      Power Scheme GUID: 381b4222-f694-41f0-9685-ff5bb260df2e (Balanced)
      Power Scheme GUID: 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c (High performance) *
      Power Scheme GUID: a1841308-3541-4fab-bc81-f71556f20b4a (Power saver)

      C:UsersAdministratorDesktop>changePowerPlan.bat
      Wich Powerplan do you want to use?
      [1] Balanced
      [2] High performance
      [3] Power saver
      Powerplan:
      1
      Enter the password for Administrator:
      Attempting to start cmd /c powercfg /setactive 381b4222-f694-41f0-9685-ff5bb260d
      f2e as user "COMPUTER01Administrator" ...

      Powerplan is now:
      Power Scheme GUID: 381b4222-f694-41f0-9685-ff5bb260df2e (Balanced) *

      Press any key to continue . . .

      C:UsersAdministratorDesktop>

      You can tweak it by for example removing the pause and echo’s after the runas command or to use parameters so you can just make a shortcut for the different powerplans and only enter your password when changing.

      Hope this helps you a bit! 😉

    • #45642

      Hey, that’s a great idea – thanks for it and the detailed walkthrough!

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