Symptoms

Consider the following scenario:

  • You have a Server Message Block (SMB)-based storage system that is running on a Windows Server 2012 R2-based Hyper-V server.

  • You try to perform a live migration.

In this scenario, the Virtual Machine Management Service (Vmms.exe) on destination Hyper-V host crashes and the live migration fails.

Resolution

To resolve this issue, install update rollup 2995388. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:

2995388 October 2014 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.

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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