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SBS2003 Server reboots at the same time once a week!

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RNW2

Technical User
Feb 10, 2009
70
GB
Hi all,

The title pretty much says it all. I'm looking for some ideas and opinions.

Recentlly started supporting a company with HP Ploliant ML310. Server has SBS SP1 applied and is fully patched and up to date. The server has an issue whereby it reboots at the same time every week (occationally misses a week but then will do it the week after). This happens at the same time (within a few seconds) each time. This week however it was an hour later than normal- then I realised that the clocks went back last weekend and so essentially it's the same time.

I've run many AntiVirus, Malware and Rootkit scanners and found nothing. I thought possibly a problem with some hardware but I really can't see that being the problem given the fact it happens at exactly the same time.

Considered the possibility that SBCore service may think there's another SBS server in the infrastructure but nothing in the event logs indicate that.

The logs show the problem started in December last year (I've only been working with this company a few weeks) Spoke to the company that own the system and they can't think of anything that changed in the system or on their network back then. As I said the reboots happen at the same time on the same day however, looking ta the logs, there has been the occasional deviation from the routine.

Last thing. I work on the system remotely so I'm not sure if the system is rebooting gracefully or just shutting off and then restarting. The event ID for the error is 6008 (Source= Eventlog; Description= The previous system shutdown at <time> on <date> was unexpected.)

Anyone any ideas? Anything would be good to give a new angle to look at.

Really last thing. DCDIAG and NETDIAG both run fine- no fails.

Cheers all

R
 
Two things I'd look at - scheduled tasks, and what's the UPS doing at that time? If a UPS is configured to run a self test at that time, and the battery is going bad, it could cause problems.

Pat Richard MVP
Plan for performance, and capacity takes care of itself. Plan for capacity, and suffer poor performance.
 
Hi

No scheduled tasks that'd cause the problem. Already been down that route but I'm going to go over all the clients on Monday to see if there's anything in their scheduled tasks that could be the cause.

UPS wise- didn't consider the self test. Might be worth a look at- cheers for that one. Going to disconnect the UPS completely for a few weeks too.

Any other ideas welcome...

R
 
Based on the event in the log, it's not graceful, although I've seen that get logged if you use something like shutdown /r to reboot the server.

Pat Richard MVP
Plan for performance, and capacity takes care of itself. Plan for capacity, and suffer poor performance.
 
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