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Mysterious restarts at regular time

I'm running Server 2003 on a Dell Poweredge 2600. It's the domain controller, the DNS server, the DHCP server and a file server.

Several mornings a week, it'll restart at 7AM. I'd like this to stop.

There are no scheduled tasks, no one has been near it or a computer that it serves for hours when this happens, the last things in the event log are from six the previous evening - thirteen hours earlier.

What's going on?

I assume that it's not hardware because of the regular nature of the restarts.

Thanks.
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marcjjrd
Asked:
marcjjrd
1 Solution
 
Guy Hengel [angelIII / a3]Billing EngineerCommented:
is the Windows Automatic Update enabled, and if yes, at which time is it configured to apply the patches (ie reboot)?
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Have you checked your event log for signs of crashes and reasons for the reboot?
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marcjjrdAuthor Commented:
Windows update is enabled to download but not install.

The log has nothing other than printing in the afternoon and then "the system shutdown unexpectedly".

Thanks.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Which log are you looking at?  How's your power?  Is there a UPS on this?  Is it a NEW UPS or an old one that might need its battery changed?
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marcjjrdAuthor Commented:
All of the logs in the event viewer.

There's a UPS that's failing. It had been failing for six months before the problem started.

One of the twin power supplies is also bad - it'll be replaced soon, but again it had been gone long before the problem started.

Thanks
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Lee W, MVPTechnology and Business Process AdvisorCommented:
I know they are in the event viewer - WHICH LOG?  System?  Application?  Security?  You should be looking in the System Log.

You have a failing UPS on a server that's been failing for six months?!??!?!?!?  I'm sorry, but if I were in charge of this at my workplace and I hadn't replaced the UPS or AT LEAST the battery by now, I think I'd be fired.

Your UPS is MOST LIKELY the problem - Windows is supposedly reporting that the system shutdown unexpectedly - this is USUALLY due to an external power failure.  If the UPS is aging severely then it may not be able to handle a power flicker - what's more, it may be that the UPS is kicking in during Power SURGES or power drops and with a weak or near dead battery, there's no juice to keep the server powered up when the UPS thinks it needs to work off the battery to protect the server.

REPLACE THE UPS/UPS BATTERY!!!
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markpower60Commented:
I have a similar issue. I have a Dell PE 2800 with Windows 2003 server. Couple month ago I notice it restart itself ramdomly. After some detail troubleshooting, I find out that the antivirus software Symantec Antivurus Corporation 10.1 client is not compatible with EasyCD creator5.3.

There are two options for that case, first upgrade to Symatnec Antivirus to the newer edition. Second, make some change on the systems files which relate to EZ CD.

I am not sure this will solve your problem, but try to uninstall EZ cd if you have it.

Good luck
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marcjjrdAuthor Commented:
Unfortunately, neither is installed on the server.

Thanks a lot, though.

Tonight I'm making sure to log off and not have the screen saver that has been running run.

If this doesn't fix the problem, I'll change the UPS. I'll change the UPS anyways, but not at the same time - I'd like to find out what the cause is.

Thanks a lot, everyone. I'll be back in two days.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
By the way, UPS batteries are not nearly as expensive as a new UPS - Search google for UPS BATTERY and there are several sites right at the top you can visit.
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marcjjrdAuthor Commented:
Thanks a lot. I took it off the UPS and it stopped restarting. A new one (we needed a heavier-duty one anyways) will arrive in a few days.
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