Isso indica um desligamento inadequado. ou seja, o nó foi filmado na cabeça usando um interruptor de energia do software. Algo para contatar MS sobre.
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Event ID: 41
Level: Critical
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
An event 41 can occur in the following scenarios.
Scenario 1: The computer restarts, and there is a Stop error BugcheckCode in the event data
When a Stop error occurs, the Stop error data is written in Event ID 41 as part of the additional event data. There may be the instances in which the Stop error code information cannot be written before the computer restarts or shuts down. Such instances are covered in scenario 3.
Scenario 2: The computer is shut down By Azure (there was no outage listed in Azure Service Dashboard)
http://azure.microsoft.com/en-us/support/service-dashboard/
Scenario 3: The system randomly restarts and no Stop error BugcheckCode is listed, or the computer is completely unresponsive (hard hang)