Stop error in vhdmp.sys in Windows 8.1 or Windows Server 2012 R2 virtual machines
Under high load with 16 or more processors and many I/O failures, Windows 8.1 or Windows Server 2012 R2 virtual machines crash, which is caused by Stop error in vhdmp.sys.
To resolve this issue, install update 2919355. For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 2929870 - Last Review: 04/08/2014 17:04:00 - Revision: 1.0
Windows 8.1 Enterprise, Windows 8.1, Windows 8.1 Pro, Windows RT 8.1, Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows Server 2012 R2 Standard
Keywords: kbqfe kbfix kbsurveynew kbexpertiseinter KB2929870