Recommended hotfixes for Hyper-V servers

KB ID: 1838
Product: Veeam Backup & Replication
Published: 2013-12-02
Last Modified: 2022-07-18
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Challenge

Below are the recommended hotfixes and patches for Microsoft Hyper-V Servers.

Cause

These issues are caused by known bugs in the Microsoft code. Veeam highly recommends that you install the following Microsoft hotfixes in order to improve overall hypervisor stability and cluster resiliency.

Solution

Windows 2012 R2

  • http://support.microsoft.com/kb/3090343 - Resolves an issue that occurs when you use the Volume Shadow Copy Service (VSS) backup on a Cluster Shared Volumes (CSV) volume by using a software snapshot provider in Windows Server 2012 R2.
  • http://support.microsoft.com/kb/3072380 - Resolves an issue on a Hyper-V cluster where the heartbeat component times out during a long-running snapshot. The snapshot fails, and the VM restarts. Available for individual download. To apply this update, you must first install the update 2919355 on Windows Server 2012 R2
  • http://support.microsoft.com/kb/3068445 - Resolves an issue where a deadlock or Stop 0x9E occurs on a cluster node when there are a lot of network (SMB) I/O requests to large files (1 TB or more). Includes the fix from 3044457. Available for individual download. To apply this update, you must first install the update 2919355 on Windows Server 2012 R2
  • http://support.microsoft.com/kb/3068444 - Resolves an issue where a cluster node experiences a Stop 0xF5 FLTMGR_FILE_SYSTEM when using Shared VHDX. Available for individual download. To apply this update, you must first install the update 2919355 on Windows Server 2012 R2
  • http://support.microsoft.com/kb/2919355 - Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April 2014    Multiple files    ​A cumulative update that includes the security updates and nonsecurity updates, including Failover Clustering updates that were released before March 2014. Available from Windows Update and for individual download from Download Center.
  • http://support.microsoft.com/kb/976424 - Error code when the kpasswd protocol fails after you perform an authoritative restore: "KDC_ERROR_S_PRINCIPAL_UNKNOWN"    KDCSVC    Enables you to add a Windows Server 2012 failover cluster. Install on every domain controller that is running Windows Server 2008 Service Pack 2 (SP2) or Windows Server 2008 R2. Otherwise, Create Cluster may fail when you try to set the password for the cluster computer object, and you receive a "CreateClusterNameCOIfNotExists (6783): Unable to set password on <ClusterName$>" error message. This hotfix is included in Windows Server 2008 R2 Service Pack 1 (SP1).
     

Windows 2012

Windows 2008 R2 SP1

  • http://support.microsoft.com/kb/2264080 - An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010
  • http://support.microsoft.com/kb/975695 - When you try to back up a virtual machine on a Windows Server 2008-based computer that has multiple virtual hard disks attached, the backup fails, and Hyper-V Writer error "0x800423f4" is generated
  • http://support.microsoft.com/kb/2223005 - The network connection is lost on a Hyper-V virtual machine
  • http://support.microsoft.com/kb/976424 - Error code when the kpasswd protocol fails after you perform an authoritative restore: "KDC_ERROR_S_PRINCIPAL_UNKNOWN"    KDCSVC    Install on every domain controller that is running Windows Server 2008 Service Pack 2 or Windows Server 2008 R2 in order to add a Windows Server 2012 failover cluster. Otherwise, Create Cluster may fail with error message: CreateClusterNameCOIfNotExists (6783): Unable to set password on <ClusterName$> when it tries to set the password for the cluster computer object. This hotfix is included in Windows Server 2008 R2 Service Pack 1.
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