Snow Leopard waking problems

I am having some problems with my Snow Leopard\Lioin machines after they got to sleep or screen saver starts. I have them configured to require password after slepp or screen saver begins. Sometimes the users password does not work until the network cable is removed. Sometimes they dont wake at all until i shutthemdown and sometimes i just get the mouse with a black screen. Any ideas?

thanks
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keevernAsked:
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activematxCommented:
Do you VNC or Remote into these machines?
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keevernAuthor Commented:
I have remote server turned on because we are going to use apple remote desktop 3.5.
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activematxCommented:
If someone is logged in through VNC it can cause that black screen problem.

And to paraphrase your question:

1.  You can't log in (from screensaver) unless you unplug the ethernet cable.
2.  Sometimes they don't wake up at all from sleep.  So it causes you to force a shut down.

Can you show me your console log messages just before sleep and when a wrong password is entered when the ethernet cable is plugged in, and not plugged in.
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keevernAuthor Commented:
I just discovered the console log today. I will not be able to get it until Monday. Thanks
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keevernAuthor Commented:
This problem has gone away since we removed Admitmac from the systems.
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keevernAuthor Commented:
Removed Admitmac
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