Symptoms
Assume that you have a service template in System Center Virtual Machine Manager (SCVMM) that is used to deploy virtual machines (VM). When multiple virtual machines are deployed at the same time as part of the service template deployment, the Hyper-V host may crash.
Resolution
To fix this issue, install May 2016 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.