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server locks up

I have a customer with a Win2K.  about 2 weeks ago.  The computer started to lock up (not reboot) every 24 hours.  I can't specifically say exactly 24 hours on the minute.  You can't reset, reboot.  the only thing you can do is to unplug for few seconds, then plug again.  every thing works fine until the next day. The power light stays on while it is locked, so I know it is getting power.  Does anyone know if there is anything in win2K or a hardware component that could cause this strange behavior.

Thanks,
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sjs
Asked:
sjs
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1 Solution
 
jhanceCommented:
You almost certainly have a hardware problem.  I'd start checking the items in this list:

1) RAM.  Bad RAM is the #1 cause of W2K lockups.  Check that it's of the right type, correct speed, and is 100% OK.  Swap it out with known good RAM if you have to.

2) BAD CPU (or overclocked).  Make sure the CPU is running at its rated speed, voltage, and temperature.  Make sure that all motherboard settings and jumpers are correct.  Make sure the case cooling is adequate.

3) Unsupported hardware.  Check EVERY piece of hardware against Microsoft's HCL.  See: www.microsoft.com/hcl 
If even one piece of hardware is not listed, remove it.

4) Unsupported driver versions.  Check also for correct device driver versions in the HCL.  Get the supported versions.

5) System power.  Is this unit on an UPS?  Is the power fluctuating in such a way so as to disrupt the system but not trigger the UPS?  Get a power line monitor.  Is there heavy equipment at your site that only gets run once a day?  Check it out...

6) Are you up to date on your security fixes?  There are some hacks that can lockup a W2K server exposed to the internet.  Make sure you are not being a victim.
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sjsAuthor Commented:
Is there a memory check every 24 hours that will cause the server to lockup.  Also, When I mentioned Lockup.  I'm familier with lockup when you can still the screen but you can't move the the mouse or keyboard.  In this case the screen is blank and again you can't reset or turn off and back on again.
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sjsAuthor Commented:
jhance,
I pressed submit before finishing my comments.

It could be any of your suggestions, but the thing that puzzles me is what hardware will be updated every 24 hours?

The server is opened. So a hacker can get in, and that's what I'm suspecting.  But I want to rule the hardware out first because I wouldn't even begin to search for a virus.
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RoadWarriorCommented:
Is it running a DHCP server? Are any machines running XP connected to it?
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jhanceCommented:
I listed you SIX things that are common causes of this.  

Have you already investigated them?
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1175089Commented:
Is it there any virus checking procedure sheduled every day (or any back up procedure ?)
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sjsAuthor Commented:
jhance,
What you have mentioned, I am already aware of.  My question is "do you know of any timers maybe within win2K or the hardware itself that runs every 24 hours that will cause it to lock up every 24 hours"?

RoadWarrior,
DHCP is not running. and I'm not sure of what is 'XP'

1175089,
There is a backup exec that is scheduled to run at 6:30 PM, and there are no erorrs after running. Veritas is running fine.
There is also Norton Antivirus Corp edition runing, I'm not sure how that one works, if it runs anything every morning or what?  That's is a good thought
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ComTechCommented:
Hi all,

This question has been open for awhile. I am going to allow feedback from the questioner and experts. If it is not resolved, I will delete or accept an answer based on the info I have been given. Experts, feel free to offer input. I will monitor this question for a period of 5-7 days and come back and evaluate the situation.

If an Expert has helped, please accept with the answer button.

If returned to I will leave open for discussion.

Please do NOT accept this notice as answer.

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ComTech
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ComTechCommented:
No souldtion to the question author.  This Q will move to PAQ.

ComTech
Community Support Moderator

Points will be returned.
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sjsAuthor Commented:
Can I still post to this?  I may have found out what was causing it, just in case anyone is interested.
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