Updated: Windows Server 2012 Hyper-V and Cluster Hotfixes and Updates

Update June 26, 2013: Cristian Edwards notified me that he has updated the script to now support using a cluster name. That will save you some typing if you cluster counts 64 nodes. See end of blog

Update July 1, 2013: Great to see that Niklas Akerlund and Trond Hindenes made great extensions on the update script:

Recently I was contacted by Frank Lesniak who informed me that he had updated the Technet Wiki which keeps an up-up-to-date list of hotfixes for Windows Server 2012 Hyper-V. Because the list was getting longer and longer, also several items had already been updated by a newer version (solving new problems, causing new ones too I’m afraid). Frank did a great job reorganizing the WiKi and there is now a split between the active updates and the superseded updates. The list of superseded updates also describes by which update it is replaced.

In a previous blog I drew your attention to a great script by Cristian Edwards who wrote HyperV2012UpdatesCheck.ps1 which gives you a quick overview of the installation status of an update for one or multiple servers. The script uses two XML files. For your convenience I have updated both XML files to reflect all updates till June 22, 2013.

You can download these files here

I also updated the Windows Server 2012 Cluster list based on the official TechNet article “Recommended hotfixes and updates for Windows Server 2012-based Failover Clusters” which is maintained by the Failover Cluster product team.


Hyper-V: Update List for Windows Server 2012

Recommended hotfixes and updates for Windows Server 2012-based Failover Clusters

See Cristian’s blog for the updated script:


  1. August 12, 2013    


    I want add additional features for your script and put in to public domain – Codeplex or GitHub.

    Do you accept this?


    Wojciech Sciesinski

  2. November 17, 2013    


    I’ve started new project on GitHub that hosts this script and I currently work to create some improvements – see https://github.com/it-praktyk/Get-WindowsHotfixes .

    Today I’ve updated UpdatesListCluster.xml – list of hotfixes for Windows Server 2012 – information about KB2894464 was added.

    Please feel free to colaborate.

    Wojciech Sciesinski

  3. December 6, 2013    

    Does anyone know if there is a similar wiki for server 2012 R2 yet?

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