Windows server 2012 + Exchange Server 2013 Cumulative Update 2 (CU2-v2) = EventID41 Kernel-Power

Hello!
May be somebody already got this problem and knows how to fix it.
After installing Cumulative Update 2 (CU2-v2) we have randomly rebooting system! 4 servers with the same problem.
This is the error mesage:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
  <EventID>41</EventID>
  <Version>3</Version>
  <Level>1</Level>
  <Task>63</Task>
  <Opcode>0</Opcode>
  <Keywords>0x8000000000000002</Keywords>
  <TimeCreated SystemTime="2013-10-01T07:27:03.218650400Z" />
  <EventRecordID>39748</EventRecordID>
  <Correlation />
  <Execution ProcessID="4" ThreadID="8" />
  <Channel>System</Channel>
  <Computer>TS5000EXCAS001.tru.tglobusgrp.org</Computer>
  <Security UserID="S-1-5-18" />
  </System>
- <EventData>
  <Data Name="BugcheckCode">239</Data>
  <Data Name="BugcheckParameter1">0xfffffa8003d47980</Data>
  <Data Name="BugcheckParameter2">0x0</Data>
  <Data Name="BugcheckParameter3">0x0</Data>
  <Data Name="BugcheckParameter4">0x0</Data>
  <Data Name="SleepInProgress">0</Data>
  <Data Name="PowerButtonTimestamp">0</Data>
  <Data Name="BootAppStatus">0</Data>
  </EventData>
  </Event>


It starts at the next day after update was installed.  

BTW this is vmware virtual machines so problems with power supply can be excluded...
Andrey_GorohovAsked:
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Nick RhodeIT DirectorCommented:
Can you grab the dumpfiles from the VM to see whats going on with the OS?  I use whocrashed to review dumpfiles to hopefully get a better idea:

http://www.resplendence.com/whocrashed

I would also (on one server) remove the update, if that resolves your issue then you can always put in a call to microsoft for assistance.  So far CU2 v2 has been hit or miss with some technicians.
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Andrey_GorohovAuthor Commented:
lciprianionut,
looks like you are right! I disabled helth manager service and till now servers not rebooted..
I will wait for 2-3 more days and if everything will be OK i will start to read how to configure Managed Availability (i want to disable server reboot option). And will mark you answer as solution :)
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Windows Server 2012

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