Force Specific Screen Saver - %windir%\system32\rundll32.exe user32.dll,LockWorkStation

I am trying to force a specific screen saver using the following in Group Policy.
Enable screen saver - Enabled
Force specific screen saver - %windir%\system32\rundll32.exe user32.dll,LockWorkStation
Password protect the screen saver - Enabled
Screen saver timeout - 600
On some computers it works, others it does not and still others show the bubbles screen saver. I have been unable to figure out why it's not working 100%. It's as if the local screen saver settings are overriding the domain group policy settings.

Hi,
Force specific screen saver - %windir%\system32\rundll32.exe user32.dll,LockWorkStation
What's the path of this?
The correct path should be: type the name of the file that contains the screen saver, including the
.scr file name extension. If the screen saver file is not in the %Systemroot%\System32 directory, type the fully qualified path to the file.
Local setting was unable to overriding the domain group policy. It might be the group policy was not applied to client. We could use gpresult command on client side to confirm:
Run "gpresult /h gpreport.html" command to saves the report in HTML format with the file name "gpreport.html" at C:\Windows\System32\ directory.
Open this file to check if this group policy was applied successfully.
Also check it on client which worked fine to compare this group policy setting.
Karen Hu
TechNet Community Support

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I agree with SenneVL.
After you have created the .scr file that you want to apply, you may deploy the screensaver via the following group policy.
User Configuration\Administrative Templates\Control Panel\Personalization\Force specific screen saver
If you enable this setting, type the name of the file that contains the screen saver, including the .scr file name extension. If the screen saver file is not in the %Systemroot%\System32
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http://social.technet.microsoft.com/Forums/windowsserver/en-US/60bd2b0e-58e9-46ac-83d2-3e4a4ab4de5d/how-do-i-deploy-custom-screen-saver-in-group-policy
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>>i.e. enable screen saver, Prevent changing the screen saver, screen saver timeout, and force specific screen saver. I have tried to Disable all these apart from
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>>Also, is there a way to keep the screen saver settings and also be able to use Presentation Settings, so that the screen saver does not come on and lock the machine
in mid presentation?
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On resume, display logon screen on Screen Saver Settings dialogue box. Besides, we need to not let our power plan settings lock out the computer within a short time.
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Force Specific Screen Saver - %windir%\system32\rundll32.exe user32.dll,LockWorkStation

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