Jason, 

I'm sure that there's a good reason for not wanting to use the enable screen
saver option, but I'm curious as to why you want to do that actual
LockWorkStation function.  Is it an academic exercise, or is there something
more to it?

Just simply curious...

-rtk

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jason B
Sent: Monday, February 07, 2005 3:25 PM
To: ActiveDir@mail.activedir.org
Subject: [ActiveDir] Using GPO's to force a Lock Workstation in conjunction
with task manager

Objective:  Use Group Policy to force workstations to lock after 60 minutes 
of inactivity.

Well, I know that there's no way to easily do this by using a GPO.  Most 
admins just use the GPO settings to enable a screensaver and password for 
it, however, I really want to lock the workstation instead.  The only way I 
can figure to do this is to create a scheduled task and then somehow assign 
it using a GPO.  Now, I set up a shortcut that has the target as:

"C:\WINDOWS\system32\rundll32.exe user32.dll,LockWorkStation"

as all of our workstations have the same windows directory, I didn't need to

use %windir%, and all run Windows XP SP2.  After making that shortcut, and 
saving it to a share that's accessable by all users (read-only), if I run it

from there, it will lock the workstation, just as if the user manually 
locked it.  Now, the trick is getting it to run when the workstation is idle

for 60 minutes.  I set up a task in task scheduler to point to the shortcut 
on the network share.  I then set the properties on that task to only start 
if the computer has been idle for at least 60 minutes.  Now, if I manually 
run that task on my workstation (I have admin rights), it works just fine. 
Doing the same thing (setting up the task the exact same way) on a test 
machine returns a "Could not start" in the task scheduler, but if I manually

run the shortcut from the network share, it locks the workstation as it 
should.  Our users have restricted-user privs on the local workstation (we 
don't give out Power User or Admin rights to them) - could this be a reason 
for it not working, or am I just missing something obvious here?

Thanks. 
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