Dell Server 2011 Essential Shutdowns and Unexpected Restarts
Posted on 2012-08-17
Client is having weird server reboot problems. On monday, their bldg had a power outage. We turned the server off before the UPS drained. Turned it back on when the power was restored (I don't think this has anything to do with it, but just a preface)
Ever since then, Tuesday morning, server had 2 unexpected restarts, Thursday a shutdown command (see below) which we did not execute. And today, Friday, 3 unexpected reboots.
Sometimes, the server only stays up for minutes. After unexpected shut downs, it doesn't even have power, so it doesn't reboot, someone has to physically turn on the server.
The server was up for 2 1/2 hours and I remoted in to see somethings and it had another unexpected restart, shutting down to no power.
This server is only 2 months old. Here's what we have done:
1) We put another UPS between the "old" UPS and the server to see if maybe the UPS had an issue
2) Seems to happen in the morning. Was up and running all day yesterday. 9:40am today it crashed.
3) Sometimes it's a Shutdown command, sometimes it's an unexpected shutdown
4) We thought "maybe" it was the toaster over, as it was on the same outlet, so we put an Out of Order sign on it.
Dell ran diags and they said they couldn't find anything wrong with it. I just don't understand those ShutDown commands that we occassionally find, that is what is really sticking out.
I do not know if it's hardware or software. I just disabled AV and Backup software, as well as a Chkdsk, but still have yet to schedule a reboot.
Log Name: System
Date: 8/16/2012 10:01:00 AM
Event ID: 1074
Task Category: None
User: *(Domain Admin account)*
The process C:\Windows\system32\winlogon.exe (SERVER) has initiated the power off of computer SERVER on behalf of user *(Domain Admin account)* for the following reason: No title for this reason could be found
Reason Code: 0x500ff
Shutdown Type: power off