Windows 8.1/Windows Server 2012R2 virtual machines fail with Microsoft-Windows-Kernel-Power Error ID 41

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On VMware ESX when you create Virtual machines with Windows 8.1 or Windows Server 2012 R2 as the OS you might experience a problem where the virtual machines keeps restarting every now and then as a Result of a windows failure with a blue screen.The problem is documented on VMware Knowledge base website herepWindows 8.1/Windows Server 2012R2 virtual machines fail with a blue screen and report the error: CRITICAL_STRUCTURE_CORRUPTION (2060019)

Personally i faced the same problem on ESX 4.1 and the steps listed in the above KB solved it for me.

The symptoms you might witness is a continuous restart for the virtual machines as a result of a Windows failure, when you Login you can see the Critical Microsoft-Windows-Kernel-Power Error ID 41 clearly listed on the Server Manager Event viewer

5Opening the Event viewer you could also see the Error ID 41 listed, and clearly stating that there was a system reboot without cleanly shutting down first.


This issue is resolved in ESXi 5.0 Update 3, available at VMware Downloads

To Solve this problem manually , Power off the affected virtual machines. and open the VM Settings.

Click on the Options tap and go to CPUID Mask and click on the Advanced button

1For Intel Processors edit the edx row under the Level 80000001 table

2Enter the value —-:0—:—-:—-:—-:—-:—-:—-


Click Ok to save your changes, and then start the virtual machine .. things should be fine now 🙂

For AMD processors enter the value —-0————————— under the cpuid.80000001.edx.amd,  you can find this under AMD Override tap.

Hope this helps..



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