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  • Blog Post: Veeam Task Manager for Hyper-V

    A little while ago Veeam released a nifty little tool called the “Veeam Task Manager for Hyper-V”. You can download it from here: http://hyperv.veeam.com/free-task-manager-hyper-v-performance-monitoring/ So what is it? What does it do? And why is it useful? Well, simply put –...
  • Blog Post: Using RDCMan v2.7 to Connect to a VM

    Yesterday, I posted about a new version of RDCMan – where one of the new features was the ability to connect directly to virtual machines.  Since then, I have had a number of people ask me about how to actually make this work.  So here we go… The first thing you need is to know the virtual...
  • Blog Post: Updating Integration Components over Windows Update

    Yesterday, we announced that we would be releasing updated integration components over Windows Update from now on in (more details here: http://blogs.technet.com/b/virtualization/archive/2014/11/11/hyper-v-integration-components-are-available-through-windows-update.aspx ). Specifically, we announced...
  • Blog Post: Windows 10 Technical Preview: Hot Add / Remove of Network Adapter

    There are a number of new features and functionality for Hyper-V in the Windows 10 Technical Preview. One of these features is that you can now add and remove network adapters from running virtual machines.  Specifically – you can add and remove network adapters (not Legacy network adapters) from...
  • Blog Post: Getting Ready for TechED Europe 2014

    Next week I will be in Barcelona, talking about all the cool stuff we are doing with virtualization in the next release of Windows Server.  Here are my session details: Title: CDP-B225 Software Defined Compute in the Next Release of Windows Server Hyper-V Time: Tuesday, October 28 1:30 PM - 2:45...
  • Blog Post: “The RPC server is unavailable” with Microsoft Virtual Machine Converter

    When I first tried to perform a physical to virtual migration with the Microsoft Virtual Machine Converter 3.0 – I immediately hit this error message: After a bit of poking around, I was able to figure out the problem.  Microsoft Virtual Machine Converter use WMI, which is blocked on the Windows...
  • Blog Post: Microsoft Virtual Machine Converter 3.0 Now Available

    Yesterday we released the Microsoft Virtual Machine Converter 3.0.  You can download it here: http://www.microsoft.com/en-us/download/details.aspx?id=42497 It has a staggering amount of features.  Including the ability to convert physical computers to virtual machines and to convert VMware...
  • Blog Post: New Hyper-V Whitepaper: High Performance Storage for Clustering

    Our storage performance team has published a fascinating new whitepaper, available here: http://www.microsoft.com/en-us/download/details.aspx?id=44300 This whitepaper steps you through the configuration and testing of a top-of-the-line Hyper-V cluster deployment that is designed to deliver raw storage...
  • Blog Post: Hyper-V and the Windows Server Technical Preview

    Today we released the Windows Server Technical Preview.  You can read more about this, and how to get the bits yourself, over on the Server & Cloud Blog . Some other resources that are available right now are: The Windows Server Technical Preview release notes: http://technet.microsoft.com/library...
  • Blog Post: Changing Ubuntu Screen Resolution in a Hyper-V VM

    If you install Ubuntu 14.04 inside a Hyper-V virtual machine – you automatically get all the integration components and virtualized drivers.  Including the Hyper-V video driver.  However, if you try to change the screen resolution inside your virtual machine you will notice something odd: There...
  • Blog Post: “Error applying Hard Drive changes” on Generation 2 VMs

    A Microsoft employee recently contacted us with this issue: “When I try and attach a virtual hard disk to a generation 2 virtual machine – I get an error message that says ‘Error applying Hard Drive changes’” It took a bit of conversation – but eventually we figured out what was happening.  Here...
  • Blog Post: Importing a Virtual Machine with an Incompatible Saved State

    This afternoon – an email arrived with the following question for me: “I’m working with on a Hyper-V migration with an import-vm component. I saw what I believe is your post on importing incompatible VMs. We are experiencing an issue where the incompatibility has to do with a bad saved state after the...
  • Blog Post: Posterpedia is now a Universal App!

    I have talked about Posterpedia before.  It is a very handy application that allows you to access electronic versions of our detailed Windows Server Architectural posters.  Well, the authors have released an updated version of it which is a Universal App.  This means you can have it on...
  • Blog Post: ‘Unnamed VM’ could not initialize… The security ID structure is invalid (0x80070539)

    While working on a system recently, I imported an old virtual machine – which then failed to start with this error message: What to do?  Well – thankfully the solution is already documented here: http://support.microsoft.com/kb/2927313/en-us But how did this happen?  And what is going on? Well...
  • Blog Post: Looking at Memory Usage on Hosts when Creating a New VM

    In my house I have two Hyper-V servers running multiple virtual machines with dynamic memory enabled. This can make it a bit tricky when I want to create a new virtual machine - and I need to figure out the best server to use. Thankfully - this little bit of PowerShell comes to the rescue: "Hyper...
  • Blog Post: Updated Documentation on Supported Guest Operating Systems

    A couple of weeks ago I posted about the fact that Windows Server 2012 R2 is not supported on top of Windows Server 2008 R2 . This generated a lot of feedback about the need to improve our documentation for which operating systems are supported on which versions of Hyper-V. So the Hyper-V documentation...
  • Blog Post: Virtualization Fabric Design Considerations Guide

    The Hyper-V documentation team recently released the Virtualization Fabric Design Considerations Guide. You can download this document here: http://gallery.technet.microsoft.com/Virtualization-Fabric-e9402b76 Document Overview: This guide details a series of steps and tasks that you can go through to...
  • Blog Post: Can you run Windows Server 2012 R2 on Windows Server 2008 R2?

    I have been asked this question a couple of times recently.  The odd thing, to me anyway, is that most of the people who have asked me have stated: I read this article: http://msdn.microsoft.com/en-us/library/cc794868(v=ws.10).aspx about supported guest operating systems for Windows Server 2008...
  • Blog Post: Hyper-V Network Connectivity Issues with Emulex Adapters

    I retweeted this late last week, but wanted to mention it here on my blog.  Emulex has just published a blog post talking about a known issue that is causing network connectivity problems for Hyper-V VMs when using Emulex network adapters.  They have also explained how to work around this until...
  • Blog Post: Hyper-V Replica to Azure

    Late last week we announced “Azure Site Recovery”.   This is a new offering that allows you to have Hyper-V virtual machines in your environment replicating to Azure.  This gives you the ultimate protection from site failure. You can read more about this on Brad Anderson’s “In the Cloud...
  • Blog Post: How to get the best disk performance with Linux on Hyper-V

    I was recently reading our documented Best Practices for running Linux on Hyper-V and noticed this section: Use I/O scheduler NOOP for better disk I/O performance. The Linux kernel has four different I/O schedulers to reorder requests with different algorithms. NOOP is a first-in first-out queue that...
  • Blog Post: What version of Linux Supports what in Hyper-V?

    We have been doing a lot of work to increase the functionality of Linux on top of Hyper-V, and we have been contributing the necessary changes directly to the main Linux source.  While this is all good – it has caused confusion for some people as they are trying to figure out which versions of Linux...
  • Blog Post: Programmatically Detecting when a VM Changes State

    Every now and then I get asked how to detect whenever a virtual machine changes state. Usually, people who ask about this have written some code that periodically queries Hyper-V to see what state different virtual machines are in (stopped, running, etc.). What they find is that this is not efficient...
  • Blog Post: Setting up non-administrative control of Hyper-V through PowerShell–Updated

    Yesterday, I told you about how it was now easier to allow a non-administrative user to control Hyper-V . This is nice – but it does mean that this script that I blogged about 4 years ago no longer works. Here is a new one: $myWindowsID=[System.Security.Principal.WindowsIdentity]::GetCurrent...
  • Blog Post: Allowing non-Administrators to control Hyper-V–Updated

    A long time ago, I did a post about how to allow non-Administrative users to control Hyper-V .  Then I did a post that showed you how to script this whole configuration .  Finally, I did a post that showed you how to setup a “Hyper-V Administrators” group to make the whole process easier. Well...
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