SBS 2003 Server Freezing After hours

Sapphiron

Sapphiron

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Hi All

I have a problem with one of my Clients servers. The server freezes about 1 in every 3 evenings sometime between 2AM and 6AM, not always at the same time. The server become non-responsive and needs to be reset. Mouse cursor still moves.

It never ever freezes during the day.

There are times that it will go 2 weeks without freezing and sometimes it will freeze every night.

Any advice on where to start troubleshooting
 
Last, but not least - is the server running on a properly tested UPS?

And can the UPS handle brownouts, voltage sagging etc?
 
You best bet is to try and figure out what process is getting kicked off just before the server freezes... I would check in the Event log and see...

OR as a poor workaround, if the server isn't being used at night, is to set it to reboot at midnight every night....
 
I do run the standard SBS backup overnight. It is only backing up the system state and the exchange. All user folders and shared folders I backup with Cobian Backup due to the SBS backup being too slow to backup then in the after hours window.

The Server is a Pinnacle Supermicro server. Single socket Core 2 Processor with a LSI 6 port raid controller.

I checked the event log, the 3 events preceding the failure is always different.

The Server is running on a APC SUA1000i Line interactive UPS. Unlikely that power is the cause, the errors never occurs during the day.
 
Is the RPC service stopped, i.e. can you ping the server but not connect via RDP, remote management etc?
 
Will need to check. I'm not onsite when it freezes, so I will have to see if I can get a user to try it for me.
 
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