System Keeps Rebooting

May 6, 2009 at 08:58:38
Specs: MS SBS Server 2008, Intel (R) Xeon (R) CPU E5410 @ 2.33GHz 2.33GHz ... 4GB Ram
I have two servers, HP ML150 G5, both running MS. Small Business Server 2008 Premium (64-bit). Both have same issue. They both randomly reboot at different times. 2,3,4 times a day.

Intel (R) Xeon (R) CPU E5410 @ 2.33GHz 2.33GHz ... 4GB Ram

They are both connected to two different UPSs. There are no errors in the UPS logs. So it doesn't seem to be a power issue I think.

I ran the memory diagnostic test that comes with Windows, no problems reported. I checked our hard disks and they seem fine. 5 disks (RAID 5)

If I go into the event viewer under systems. I see the following errors:
e.g. "The previous system shutdown at 5:01:41 AM on 5/5/2009 was unexpected." Several of these a day.
There are other erros but not always around the same time of the reboot. These error are:
"The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID " I have no clue what this means, doesn't seem related to me.

I am not sure why i both these systems reboot. It's weird I think.

Any advise please.

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May 6, 2009 at 13:50:46
The previous system shutdown at 5:01:41 AM on 5/5/2009 was unexpected."

There must be more to that. If not set up dump logs and read them. Might have to setup perfmon logs on remote system.

"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

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July 27, 2009 at 19:41:36
Hi Zeid,

I am experiencing the EXACT same issue on a new ML150 G5 we commissioned. 4-5 reboots a day, all unexpected with no apparent lead up errors/warnings. I'm running Server 2008 with an E200 RAID card in RAID5 and have had the motherboard, controller, memory replaced but to no avail. Just wondering if you ended up getting a resolution on this one as I'm tearing my hair out and my client is out for blood?!?

Thanks very much,


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