Hyper-V integration components for Windows virtual machines that are running on Windows Technical Preview hosts

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 StandardWindows Server 2012 R2 Essentials

This article describes an update that adds Microsoft Hyper-V integration components (integration services) to Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Server 2008 R2, or Windows Server 2008. Before you install this update, see the Prerequisites section.

About this update

This update provides Hyper-V integration components to virtual machines that are running on a Windows Technical Preview-based or Windows Server Technical Preview-based Hyper-V host.

Integration components are sets of drivers and services that help your virtual machines have a more consistent state and perform better by enabling the guest to use synthetic devices. 

Note The Hyper-V feature also can be enabled in Windows 8.1, Windows 8, and Windows 7.

How to obtain this update

This update is available from Windows Update.

Update detail information


To install this update, you must install update 2919355 in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2. Or, install Service Pack 2 for Windows Server 2008.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the virtual machine after you apply this update.

Update replacement information

This update does not replace a previously released update.

More Information


See the terminology that Microsoft uses to describe software updates.