Guest machine restarts unexpectedly in ESX 3.5

[virtualEX]

IT happens again. I have few virtual machines on ESX 3.5, all windows 2008 server and sometimes they restart randomly.

I see message in ESX event:

10.3.2008 0:10:35, Message on xxxx on xxxxESX1 in ha-datacenter *** Virtual machine kernel stack fault (hardware reset) *** - The virtual machine just suffered a stack in kernel mode. On a real computer, this would amount to a reset of the processor. IT can be caused by an incorrect configuration of the virtual machine, a bug in oparting system, or a problem in the VMWare ESX software. Press OK to reboot virtual machine or Cancel to shut it down.

Why is that happening?

HELP!

[rriva]

Could you found any information in Windows event log ?

Is a beta release or an RC release or an official Windows Server 2008 ?

Your Windows VM is configured to restart automatically when an error occur, or not ?

Bye

R

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