Summary. This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an authenticated attacker on a guest operating system runs a specially crafted application that causes the Hyper-V host operating system to execute arbitrary code.

2263829 The network connection of a running Hyper-V virtual machine may be lost under heavy outgoing network traffic on a computer that is running Windows Server 2008 R2 SP1. Resolution. Hotfix information. A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article.

Summary. This article provides a fix for an issue in which computers that use AMD central processing units hang or restart during the Hyper-V Live Migration process. This issue is caused by caused by AMD erratum 383. For detailed information, see the “Symptoms,” “Cause,” and “Resolution” sections of this article.

An application that calls the "InterlockedExchange" function may stop responding or may encounter various exceptions when you run the application on a VM that is hosted on a 64-bit version of Windows Server 2008 or of Windows Server 2008 R2 - Microsoft Support.

Fixes an issue in which you cannot perform a live migration of a Hyper-V virtual machine in Windows Server 2008 R2. This issue occurs when the destination node is located on a computer that has an AMD Bulldozer processor.

Hvix64.exe. 6.1.7600.20733. 707,072. 14-Jun-2010. 03:37. x64. 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:

The network connection of a running Hyper-V virtual machine may be lost under heavy outgoing network traffic on a computer that is running Windows Server 2008 R2 SP1 - Microsoft Support.

Symptoms. This article describes an update rollup package that resolves some issues for the Hyper-V role on a computer that is running Windows Server 2008 R2 and that is dated August 24, 2010.

Method 1: Windows Update. This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Windows Update FAQ. Method 2: Microsoft Update Catalog.

Resolves a vulnerability in Windows that could allow elevation of privilege if an attacker passes a specially crafted function in a hypercall from one running virtual machine to another running virtual machine on the same host.