Microsoft publishes the Hypercall APIs via the Open Specification Promise

Microsoft announced today with it will be publishing the Hypercall APIs through the Open Specification Promise when Windows Server Virtualization ships. In addition they posted a draft of these interfaces in the form of a Hypervisor top-level functional specification on Microsoft downloads here. This document gives you and view of the external interfaces of the first generation hypervisor…

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Changes to Virtual Networks in Virtual Server 2005 R2 SP1

In Virtual Server 2005 R2, a virtual network operated like a hub with a switched uplink port.  Traffic on all guests plugged into the network was visible on every port of the virtual network, but that traffic was not visible to anything on the other side of the uplink port because it was switched.  The…

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New bonus scripts for Virtual Server 2005 R2 Resource Kit

My co-author Janique Carbone has posted two new bonus scripts on her site http://vscommunity.com. Both scripts have to do with finding out information about differencing disks. GETVHDParentInfo – Allows you to specify a VHD file on the command line and the script will tell you if the VHD is a differencing disk and then walk…

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Windows 2008 Components Posters

Previously published in the July issue of TechNet Magazine, these are two PDFs of Windows 2008: Operating System components and Active Directory components. The posters explain how they work and detail capabilities.  They are great resources to have up on your office wall (you will need a big printer though). http://www.microsoft.com/downloads/details.aspx?FamilyID=c2b9e44e-0bbd-47cb-bc09-b3d48be7f867&DisplayLang=en The Feature Components poster…

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How does the mapping from a virtual network adapter to a physical adapter work?

Adapted from Chapter 7 of the Virtual Server 2005 R2 Resource Kit book from Microsoft Press So you are trying to figure out how a virtual machine network adapter is mapped to a physical network adapter in the host through a virtual network. Maybe you moved a virtual machine between hosts and it now gives an…

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Getting Wireless LAN on Windows 2008 RC0

If you are like me and primarily use a notebook, then you live by wireless.  If you are also trying to test Windows 2008 RC0 then you might be scratching you head on how you get wireless to work.  Windows 2008 has a new feature called the Wireless LAN Service. Until the feature is installed,…

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Looking for Virtualization info..how about some webcasts

Microsoft is holding a series of webcasts to provide information on the virtualization solutions it provides.  If you want to learn about Microsoft Virtualization technology or how to manage the virtualization technology, check these out. There are a couple that already happened, but are available on-demand….enjoy Virtualization and Windows Server 2008 (Level 300) – On-demand…

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