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  • Blog Post: Windows 10 Hyper-V Error 0x80070780 – File Cannot Be Accessed By The System

    Last week after showing a client some of new features in Windows 10, they went off and upgraded a laptop to the preview from Windows 8.1. Initially all seemed to go well. That is until they tried to start up VMs on their SSD drive. At that point Mr Sad & Grumpy came to visit. They were getting...
  • Blog Post: Windows 10 Preview - VMs Missing In Hyper-V Manager

    After updating my Windows 8.1 machine to the Windows 10 preview, some of my VMs were no longer visible in the Hyper-V Manager.  Prior to powering on some VMs, all of them were visible.  After powering on, some VMs disappeared in the Hyper-V Manager console.  In the screen shot below, there...
  • Blog Post: Importing Server 2012 R2 Hyper-V VM Into Server 2012

    A virtual machine from Windows Server 2012 R2 cannot be directly imported into Windows Server 2012. This is discussed in this previous post along with the import error 32784 . There will be times when we want to take a 2012 R2 VM and import it into 2012, this happened to me recently when setting up...
  • Blog Post: Hyper-V Did Not Find Virtual Machines to Import - Error 32784

    When importing a VM into Windows Server 2012 that was exported from Windows 2012 R2 you will be unable to import the VM. If you import the VM using PowerShell’s Import-VM cmdlet the error message is not very descriptive – “ The operation cannot be performed because the object is not in a valid state...
  • Blog Post: Hyper-V Could Not Initialize - Could Not Create or Access Saved State File

    As part of my relaxing holiday, I spent a fair bit of time upgrading the hardware in my lab and installing Windows Server 2012 R2 onto all of my Hyper-V hosts. I then went through and pruned out some old test VMs and made sure the ones I had left were still relevant. After I did the upgrade to 2012...
  • Blog Post: Hyper-V Encountered An Error While Loading The Virtual Machine

    When I was running Windows 8 I ran into an issue importing VMs with the error “Did Not Find Virtual Machine To Import” and discussed it on the blog . The presence on the .exp file was causing the import to fail. Since I had to rebuild my corporate laptop, I hit a related the same thing in Windows 8.1...
  • Blog Post: List Of Updates for Hyper-V

    Previously the list of updates for Hyper-V was stored and maintained as part of the regular TechNet documentation .  Customers asked to have an RSS feed that they could subscribe to and for the list to be maintained in a more rapid fashion.   Thus the update list was moved from TechNet to a...
  • Blog Post: Updating Hyper-V Integration Components (IC)

    One of my favourite features in Windows 8 is client side Hyper-V. This allows me to run multiple virtual machines on my Lenovo W530 laptop without having to remote to other machines when I am on site with customers. As you can imagine I have a plethora of VMs for a variety of situations, and I ran...
  • Blog Post: VMLimited - More Out-dated IT Plans Sold From The Back Of A Van

    The polyester packing virtualization sales guy from the past is back!  You may have seen Tad in his inaugural video over at VM-Limited .     Now the second instalment of his genius is live.  I wish that I could get it on VHS,  Betamax or maybe even VHS 2000 (points for those...
  • Blog Post: Windows Server 2012 R2 Hyper-V Architecture Poster

    A picture says a thousand words.   This is one of the reasons that the various architecture posters are so popular as they provide an easy way to visualise the Hyper-V stack. Updated posters are now available for Windows Server 2012 R2 Hyper-V.  In addition to the architecture poster,...
  • Blog Post: Monitoring Removal of Hyper-V AVHD Files

    Have you used Windows 2008 and Windows 2008 R2 Hyper-V; created a snapshot, deleted it and then wondered why the snapshot files are still hanging around? Like to know what to expect and the EventIDs that are associated with snapshot removal? Likely you will be familiar with .vhd files which are...
  • Blog Post: How To Import Windows 2008 R2 VM To Windows 2012 or 8.1 Using Boot To VHD

    One of the popular topics lately has revolved around the Hyper-V Did Not Find Virtual Machines To Import error. This issue can arise when we try and import a VM into Windows Server 2012 R2 or 8.1 which was originally exported from Windows Server 2008 or 2008 R2. Such exported VMs from 2008 or 2008 R2...
  • Blog Post: Hyper-V Connectivity Issue

    Update : Newer firmware has been released since this was originally posted. Ran into an interesting issue last week with a HP DL 585 Hyper-V host which had intermittent network connectivity over one of its defined virtual networks. In the system event log the following warning was logged: ...
  • Blog Post: System Center 2012 SP1 Beta Available

      The beta release for System Center 2012 SP1 is now available for you to download and test in your lab environments.  This is an interesting release as it is adding support for Windows Server 2012.  In the case of SCVMM 2012 SP1, it means that it can only be installed on the RTM version...
  • Blog Post: “Slow” File Copy Issues

      A recent performance issue case revolved around slow disk access times, and the impact that this had on Hyper-V and Windows in general. The customer had identified that one of their SAN units was dramatically out performing another one, even though the slower unit should have been orders of magnitude...
  • Blog Post: Hyper-V Cluster Console Crash Windows Server 2012

    Update 1-3-2013:  You may also want to reference the Hyper-V 2012 and Cluster update wiki pages as linked & discussed here .     After building up a nice new Windows Server 2012 Hyper-V cluster with SCVMM 2012 SP1, it was a bit strange to get the world’s longest error when opening...
  • Blog Post: List Of Updates For Windows Server 2012 Hyper-V

    One of the best things about Microsoft products is the thriving community that drives a lot of articles outside of TechNet. For example there is a Wiki article that describes the Hyper-V updates for Windows 2008 and also for Windows 2008 R2 . The community has also started to publish the...
  • Blog Post: Windows Hyper-V 2012 & 8.1 Hyper-V Did Not Find Virtual Machine to Import

    Back in May 2013, we discussed an issue which caused the Hyper-V Did Not Find Virtual Machines To Import error. Well, as mentioned in that blog post there are a few reasons for this error message being displayed and it does depend on the versions of Hyper-V in use. There were some comments posted (thanks...
  • Blog Post: Windows Server 2012 Hyper-V Architecture Poster

    The updated version of Windows 2012’s Hyper-V Architecture component poster is now available for download which is pretty neat!     As an added bonus, there are companion references for Hyper-V Replica , Hyper-V Storage , VM Mobility and Networking .      The Windows Server 2008...
  • Blog Post: Hyper-V Did Not Find Virtual Machine To Import

    Since I have this lovely Lenovo W530 laptop with a couple of disks and 32GB of RAM, it is great to run VMs on! As you can imagine, I have multiple different Exchange labs to reflect all the different versions and builds that are in use. Generally I have been able to import all of my older VMs into Hyper...
  • Blog Post: Hyper-V 2008 R2 Architecture Poster (with SP1)

      Link to the updated Hyper-V poster for 2008 R2 SP1 is here .   Overview This poster provides a visual reference for understanding key Hyper-V technologies in Windows Server 2008 R2 Service Pack 1. It focuses on architecture, snapshots, live migration, virtual networking, storage, RemoteFX...
  • Blog Post: Download Hyper-V Best Practices Analyzer (BPA)

    This tool has been out for a while, but have seen multiple customers not leveraging it on their Hyper-V servers as it is not installed by default on Windows 2008 or Windows 2008 R2 Hyper-V hosts. It is particularly useful for ensuring that the integration components inside the VM are the correct version...
  • Blog Post: Hyper-V Windows Server “8” Architecture Poster

    I’d previously  blogged about the Windows 2008 R2 Hyper-V architecture poster .  It certainly is a neat way to see the underlying concepts laid out, especially when printed on A2 sized paper!   Following this trend the poster guy, has created a poster for Windows Server “8”, and this is...
  • Blog Post: Required Hotfix For Windows 8 VM Running on Hyper-V 2008 or 2008 R2 Host

    EDIT 8-2-2013:  A new update KB 2744129 has superseded the  original KB 2526776 Please note that this new update now applies to Hyper-V 2008 and 2008 R2  -- the original was only for R2. If you are testing out Windows 8 as a VM which is hosted on a Windows 2008 or 2008 R2 Hyper-V server...
  • Blog Post: Exchange And Hyper-V Replica Support

    After seeing several posts and some folks discussing whether or not Exchange supports the Hyper-V Replica feature I thought it would be prudent to address the following: Does Exchange Support Hyper-V Replica? Does Hyper-V Support Exchange? How Do I use Exchange and Hyper-V Replica?   What Is Hyper...