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Re: [Condor-users] USE_VISIBLE_DESKTOP stops working after a while

On 5/25/07, Ian Chesal <ICHESAL@xxxxxxxxxx> wrote:
> Hi Ian,
>> We've been trying to use the USE_VISIBLE_DESKTOP setting to run our
>> tests. Works well up to a point. After a while Condor starts to
>> that it can no longer get a visible desktop and runs the job without
> This is a long shot, but it might be Remote Desktop causing the
> When someone logs in to a machine using Remote Desktop it locks down
> disables other login sessions that are currently running. This might
> affect Condor, depending on how it interacts with the "visible
> login session.

Tony: good idea. This could be close to the problem. We don't enable
Windows Terminal Services on these machines. But we do keep them logged
in as a domain user that's been given Administrator access to the box
and check on their GUI sessions with VNC. I'll see if logging the
machine out has any effect (although then there wouldn't be a visible
desktop to use which might not work).

VNC (and its clones and commercial ports) use a very similar hooking
mechanism as remote desktop to the extent that use on one while the
other is active tends to kill one or both of them. I would treat your
VNC client as the most likely candidate.