Required updates for Hyper-V 2012

It is important to keep every system up-to-date with the latest updates/patches – and Hyper-V 2012 is not an exception 🙂

If you manage your Hyper-V server with SCVMM 2012 then this task is very easy – simply configure an Update Server (WSUS). Follow this guide to make it happen.

 

If you would like to do everything manually you can. But how do you know which updates to install? Here’s a quick table that includes all the required updates you will have to install. Actually, you dont have to install all of the updates – just the ones that effect your platform.

Here’s the list:

KB Article and Date Published Required? IC Version Applies to: Availability
KB 2770917: Windows 8 and Windows Server 2012 cumulative update: November 2012

(http://support.microsoft.com/kb/2770917  )

Published on 11/13/2012

Yes, if you are using pass through disks with Hyper-V VMs and the backup fails.

Yes, corrects an issue where the hypervisor may crash in limited circumstances.

6.2.9200.16433 (2008 and later guests)

6.2.9200.16384 (2003 and XP guests)

Windows 8, Windows Server 2012 Windows Update, WSUS, Catalog, Download Center
KB 2770440: Poor performance when you enable RemoteFX in Hyper-V on a Windows Server 2012-based computer that uses AMD processors

(http://support.microsoft.com/kb/2770440  )

Published on 11/14/2013

Yes, if you are running Hyper-V and RemoteFX on AMD processors. N/A Windows Server 2012 Hotfix
KB 2785638: You cannot use the Cisco SR-IOV network adapter on a virtual machine in Windows Server 2012

(http://support.microsoft.com/kb/2785638  )

Published on 1/9/2013

 Yes, if you use a SR-IOV network adapter with virtual function (VF) capability and you find that the VF is not available on restart of the VM.  N/A Windows Server 2012 Hotfix
KB 2813630: Virtual machine enters a paused state or a CSV volume goes offline when you try to create a backup of the virtual machine on a Windows Server 2012-based failover cluster

(http://support.microsoft.com/kb/2813630  )

Published on 2/17/2013

Yes, if CSV has goes offline during backups.  N/A Windows Server 2012 Hotfix
KB 2796995: ODX causes corruption during Live Migration

(http://support.microsoft.com/kb/2796995  )

Published on 2/13/2013

Yes, critical patch if ODX is enabled.  N/A Windows Server 2012 Hotfix
KB 2806542: “0x000000D1” Stop error on a virtual machine in Windows Server 2012

(http://support.microsoft.com/kb/2806542  )

Published on 3/13/2013

Yes, this fix prevents a crash that sometimes happens when using an SR-IOV network adapter.  N/A Windows Server 2012 Hotfix
KB 2807654: “0x000000C2” Stop error when you try to back up a data deduplication-enabled volume in Windows 8 or Windows Server 2012

(http://support.microsoft.com/kb/2807654  )

Published on 3/13/2013

Yes, if you experience a crash during backup when using a deduplication-enabled volume. N/A Windows 8, Windows Server 2012 Hotfix
KB 2779768: Windows 8 and Windows Server 2012 cumulative update: December 2012

(http://support.microsoft.com/kb/2779768  )

Yes if using Windows network teaming and/or if using Windows network virtualization.
N/A
Windows 8, Windows Server 2012 Windows Update, WSUS, Catalog, Download Center
KB 2822241: Windows 8 and Windows Server 2012 cumulative update: April 2013

(http://support.microsoft.com/kb/2822241  )

Yes if using Windows network teaming (KB 2818790).

Yes if VHDs are stored on Deduplicated volumes (KB 2819564)

 N/A Windows 8, Windows Server 2012 Windows Update, WSUS, Catalog, Download Center
KB 2811660: Windows 8 and Windows Server 2012 cumulative update: March 2013

(http://support.microsoft.com/kb/2811660  )

Yes if using Hyper-V switch extensions (KB 2792867)  N/A Windows 8, Windows Server 2012  Windows Update, WSUS, Catalog, Download Center
KB 2823643: Virtual machines freeze at the “Stopping” state after you shut down the virtual machines in Windows Server 2012

(http://support.microsoft.com/kb/2823643  )

Yes if clustering VMs with high network load  N/A  Windows Server 2012  Hotfix

 

This list is updated on Apr 24th, 2013.

For an updated version please visit the following link.

 

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