Category: Hyper-v

• Enable Hyper-V Server 2012 R2 Core Virtual Machine Protection using existing Azure Site Replication Policy.

  In this post, I’ll be writing about my steps for enabling on premise Virtual Machine protection to Azure Site Recovery using an existing Hyper-V Site Replication policy. In this deployment, I’ll be adding and registering a Hyper-V Core Server 2012 R2 to Azure Site Recovery. The process differs from the steps in registering a full…

  jbernec

  October 19, 2016

  Azure, Azure Site Recovery, Failover Cluster, Failover Cluster Manager, Hyper-v, Hyper-v 2012 R2, Hyper-v Manager, Microsoft Hyper-v

  Azure Classic Portal, Azure Replication, Azure Replication Policy, Azure Resource Manager, Azure Site Recovery, Azure Site Recovery Provider, Azure Site Recovery Services Agent, Azure Virtual Networks, Azure VM Protection, Azure VPN, Hyper-V Sites, Recovery Services Vault

• Simple PowerShell Script displays Total and Available Memory .

  This script is an update to a previous post. In addition to displaying total and available disk space, it will also show the available memory at any given time for a server within a domain infrastructure. It has come in handy for me when I need to quickly spin up a standalone virtual machine on…

  jbernec

  November 10, 2015

  Active Directory Domain Services, AD Forest, Hyper-v, Hyper-v 2012 R2, PowerShell, PowerShell 3.0, Powershell 4.0, Script, Scripts, Windows Server 2012 R2

  FreePhysicalMemory, NumberOfLogicalProcessors, PowerShell Math Class, TotalVisibleMemory, Win32_ComputerSystem, Win32_OperatingSystem, WMIObject Class

• Resolving Hyper-v Error: “‘Unnamed VM’ could not initialize… The security ID structure is invalid.”

  While moving my Lab to a new environment using the Hyper-v Export and Import VM options, I ran into an “‘Unnamed VM’ could not initialize… The security ID structure is invalid” error when trying to start the Domain Controller Virtual machines. After doing some research, I found out that after a VM Import, Hyper-v doesn’t…

  jbernec

  February 4, 2015

  Hyper-v, Hyper-v 2012 R2, Hyper-v Manager, Microsoft Hyper-v, PowerShell, Powershell 4.0, Uncategorized, VHDX, Virtual Machines, WIndows 8.1, Windows Server 2012, Windows Server 2012 R2

  Cmdlets, Grant-VMConnectAccess, Invalid Security ID, Unnamed VM

• 23 Best Practices to improve Hyper-V and VM Performance

  Best practices are the most obvious starting point for improving your Hyper-V and Virtual Machine performance and I’ve listed 23 of them for you below. 1. Avoid overloading Hyper-V Server You must not overload Hyper-V Server. In other words, there is no need to host virtual machines which have no functions or I would say…

  jbernec

  July 11, 2014

  Generation 2 Virtual Machines, Hyper-v, Hyper-v 2012 R2, Hyper-v Manager, Microsoft Hyper-v, NIC Teaming, Virtual Machines, Windows Server 2012 R2

• Uninstalling Software with Powershell.

  I have a number of Hyper-v Windows Server 2012 R2 core host machines in my environment. Once in a while, I have to check for installed software and uninstall software for maintenance. The following WMIObject class helped me achieve the task in PowerShell. Check for installed software: Filter by Software to be Uninstalled: Locate the…

  jbernec

  June 9, 2014

  Hyper-v, Hyper-v 2012 R2, Microsoft Hyper-v, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2 Backup, Windows Server 2012, Windows Server 2012 R2

  Powershell 3.0, Windows PowerShell, WMIObject

• Starting a saved virtual machine–with a missing virtual hard disk

  Reblogged from Ben Armstrong’s Virtualization Blog . I came across a person with this problem on our forums recently: If you have a virtual machine that is in a saved state, but one of the virtual machines disks is now missing for some reason, you cannot start the virtual machine and you cannot remove the…

  jbernec

  May 30, 2014

  Hyper-v, Hyper-v 2012 R2, Hyper-v Manager, PowerShell, PowerShell 3.0, Powershell 4.0

  Hyper-v 2012 R2, Hyper-v Manager, Saved State, Virtual Machine, Windows Server 2008 R2, Windows Server 2012 R2

• Resolving Windows Server 2012 Failover Cluster Kerberos Security Issue – Invalid DNS Error

  I’ve been running Windows Server 2012 Failover Cluster for about a year and it’s been stable up until now. Recently, I encountered an issue where Live migration of VMs failed across all hosts in the cluster. In addition, the Failover Cluster Manager started displaying the following error: Cluster network name resource ‘Cluster Name’ failed registration…

  jbernec

  December 10, 2013

  Failover Cluster, Failover Cluster Manager, Hyper-v, Hyper-v 2012 R2, Windows Server 2012, Windows Server 2012 R2

  DNS, Failover, Failover Cluster Manager, Virtual Machine, Windows Server 2012

• Checking Available Disk Space and Memory with Powershell.

  I frequently need to display the disk size, available disk space properties and Processor details of my remote Hyper-v 2012 Hosts servers. I could use the Computer Management snapin to do this, but it involves too many steps just to get there. The Get-VM cmdlet while cool, will not display disk based properties. So I…

  jbernec

  November 26, 2013

  Hyper-v, Hyper-v 2012 R2, PowerShell, PowerShell 3.0, Virtual Machines, WIndows 8.1, Windows Server 2012 R2

  Disk Management, Disk space, Gigabyte, Hyper-v, Microsoft Windows, Operating system, Powershell 3.0, Servers, Windows PowerShell

• Configuring multiple ISCSI Connections for Multipath IO using PowerShell.

  This post will be focused mainly on the ISCSI Initiator host and configuring multipath IO paths to an ISCSI Target. The ISCSI Target portal has already been configured with 2 network paths for ISCSI. The ISCSI Service by default is in a ‘Stopped’ state. So, we’ll begin by starting the service: [hyperv00]: PS C:\Users\admin\Documents> Start-Service…

  jbernec

  November 11, 2013

  Hyper-v, Hyper-v 2012 R2, ISCSI, ISCSI Initiator, ISCSI Target, Multipath-IO, PowerShell, PowerShell 3.0, Windows Server 2012, Windows Server 2012 R2

  ISCSI, MPIO, Multipath-IO, Powershell 3.0, Windows PowerShell

• Configuring Hyper-v Host Network Adapters for ISCSI Storage Connectivity with Powershell .

  Windows Server 2012 R2 with PowerShell 4.0 has hugely expanded support for configuring multiple NICs on a Cluster/ISCSI Initiator node via command line. After deploying multiple Network Interface Cards on my Hyper-v host, it took me a while to figure out how to properly configure the NICS with PowerShell . Prior to Windows Server 2012,…

  jbernec

  November 4, 2013

  Hyper-v, Hyper-v 2012 R2, ISCSI Initiator, Microsoft Hyper-v, PowerShell, PowerShell 3.0, WIndows 8.1, Windows Server 2012, Windows Server 2012 R2

  Powershell 3.0, Windows PowerShell