Remotly change power options

NT4.0 domain with XP pro clients

How can I remotly change power options without using remote desktop

I want to set "Turn off hard disks " to " after 1 hour "
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Joseph OLoughlinIT Support SpecialistCommented:

Use RegMon from to see what key is changed when you toggle the setting in the control panel.
Navigate to that key in regedit and export it creating a .reg file.
Add a call to that .reg file to your login script.

usual disclaimers apply
CMILLERAuthor Commented:
Neat tool

I cant tell which one though
Joseph OLoughlinIT Support SpecialistCommented:
It is like drinking from a firehose.  You need to set up filters for explorer and other open programs.  I minimise everything except the applet and regmon and tile vertically then clear the log and apply the change.
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\GlobalPowerPolicy\Policies
HKLM\System\Currentcontrolset\control\Session Manager\Power
HKCU\Control Panel\PowerCfg
If you open the three files in notepad you can combine them into one.
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CMILLERAuthor Commented:
Are you saying its all three
Joseph OLoughlinIT Support SpecialistCommented:
I believeed at first it's the first one, but on searching further it looks like the keys below
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\GlobalPowerPolicy
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\PowerPolicies
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\PowerPolicies\3
it will require testing.  Could also be one of the entries below the other keys.   Take care making registry settings
There is also a utility called powercfg but it appears not to offer disk settings

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CMILLERAuthor Commented:
It appears to change this, so I saved out a never.reg and a 1hour.reg, I can see some numbers have changes.

So, I left it set to never in the GUI Control Panel\Power options, exe'd the 1hour.reg but it did not change anything in the,
GUI Control Panel\Power options, even after a reboot.

It must change more than that one key???


Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Control Panel\PowerCfg\PowerPolicies\0]
"Name"="Home/Office Desk"
"Description"="This scheme is suited to most home or desktop computers that are left plugged in all the time."
Joseph OLoughlinIT Support SpecialistCommented:
In regmon filter for only the rundll32 process and look at the setvalue entries in the request column - yes multiple changes are made.
CMILLERAuthor Commented:
No Change for me in any of these:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\ProcessorPolicies\0

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\PowerPolicies\0

[HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\GlobalPowerPolicy
Joseph OLoughlinIT Support SpecialistCommented:
It's the early hours here so I won't be perscriptive.  Goodnight.
CMILLERAuthor Commented:
I ran it twice, once each while changing values, here are the matches from both, that it changed.

HKCU\Control Panel\PowerCfg\PowerPolicies\0\Policies      
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\PowerPolicies\0\Policies      
HKCU\Control Panel\PowerCfg\GlobalPowerPolicy\Policies      
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\GlobalPowerPolicy\Policies      
HKLM\SYSTEM\CURRENTCONTROLSET\Control\Session Manager\Power\AcPolicy      
HKLM\SYSTEM\CURRENTCONTROLSET\Control\Session Manager\Power\DcPolicy      
HKCU\Control Panel\PowerCfg\CurrentPowerPolicy


Whats weird is that when you change this one from one value to another, it does not change anything
HKLM\Software\Microsoft\Windows\CurrentVersion\Controls Folder\PowerCfg\GlobalPowerPolicy\Policies

I will copy out each key and add it to a main one for each value, add see what happens

Can you put all keys in one file: Value-Never.reg and Value1Hour.reg : then I could run one or the other
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