Microsoft Releases Virtual Machine Converter 2.0

Posted on April 10, 2014 by Aidan Finn in Hyper-V with 0 Comments

Microsoft announced the release of the second version of their VMware-to-Microsoft virtualization conversion tool, the Microsoft Virtual Machine Converter (MVMC) 2.0 (download at the link). The announcement was on the Server and Cloud blog, so a little bit of marketing was thrown into the mix. Microsoft wants you to know that small, medium, and large enterprises are making the jump from vSphere (and management stack) to Hyper-V (and System Center).

Conversions Are Happening

In the blog post, Microsoft noted that “Hyper-V has had four times the growth of VMware’s ESX over the past three years.” Not all customers are performing a clean migration; some are deciding to run vSphere and Hyper-V, and maybe even XenServer and/or KVM. Sometimes you choose the right platform for the workload in question. And sometimes you say, “We’ve invested X thousand dollars in vSphere. Let’s leave that running where it is, and start using Hyper-V for new workloads.”

Granted, I do enjoy rattling the cages and getting heat from VMware fans, but I want to focus more on the “how” rather than the “why” in this article.

How We Converted in the Past

System Center Virtual Machine Manager (SCVMM) was the conversion tool of choice in the past when moving virtual machines from vSphere to Hyper-V. It offered two methods:

  • Drop the virtual machine files into the SCVMM library and convert them into a Hyper-V virtual machine.
  • Manage a vSphere (not ESXi directly) farm and convert virtual machines.

The process required quite a bit of manual work for each virtual machine, including removing the VMware tools. This might be why we’ve seen larger organizations either be slow about moving from VMware to Microsoft (running both hypervisors) or deciding to maintain vSphere until the workloads are deprecated.

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Microsoft Virtual Machine Converter (MVMC)

The MVMC was released to work with Windows Server 2008 R2 (W2008 R2) Hyper-V and Windows Server 2012 (WS2012) Hyper-V. The tool is installed on an administrator’s PC. That PC should have plenty of fast disk capacity (you’ll understand why soon). Using the tool, an administrator could reach out to vSphere, grab a virtual machine, pull it down to the PC for conversion to a Hyper-V virtual machine (including replacing the VMware Tools with the Hyper-V integration components), and place the resulting virtual machine onto a Hyper-V host or cluster. The conversion takes place on your PC, so you need enough capacity for over twice the size of the VMware virtual machine’s files, and you’ll ideally want to use very fast disk. Consider using an enterprise-class desktop SSD or pool of SSDs.

Microsoft Virtual Machine Converter (MVMC)

The conversion workspace on the PC.

You could click through the GUI, which isn’t a bad idea for the first few conversions. But after a while the process becomes dependable and you would want to automate it. The MVMC had a command-line interface and larger organizations could use System Center Orchestrator to create automated conversion runbooks. The more adventurous service oriented organizations could even think about importing those runbooks into a Service Manager service catalog where “end users” could use self-service to migrate their virtual machines from vSphere to Hyper-V.

The MVMC was built for the technologies that existed back then. But the biggest flaw was that Microsoft did not have a method to convert virtual machines with non-Windows guest operating systems.

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MVMC 2.0

Microsoft has released a new MVMC to deal with today’s technologies and opportunities. They’ve also added support for Linux virtual machines. The following virtualization products are supported:

  • Hyper-V hosts: W2008 R2 SP1 Hyper-V, WS2012 Hyper-V, WS2012 R2 Hyper-V
  • vSphere: VMware vSphere 5.5, VMware vSphere 5.1, and VMware vSphere 4.1

Extra features were added for conversion scenarios:

  • Added VMware virtual hardware support: V version 4 – 10 support
  • Linux Guest OS support: CentOS, Debian, Oracle, Red Hat Enterprise, SuSE enterprise and Ubuntu.

And Microsoft also updated MVMC to deal with new scenarios:

  • PowerShell: The command-line interface was replaced by PowerShell cmdlets, letting you script your way to Hyper-V or Azure nirvana. Note that a set of prepackaged scripts called the Migration Automation Toolkit (MAT) for MVMC (MAT4MVMC) 2.0 is available to download.
  • Migration to public cloud: You don’t want to run vSphere virtual machines locally? Convert those virtual machines and upload them straight to Microsoft Azure. We shouldn’t be surprised by the addition of these feature because Azure is receiving a huge push from Redmond right now.

Note that a nice set of documentation for MVMC 2.0 and the PowerShell cmdlets is included in the download.

Microsoft Virtual Machine Converter (MVMC): move to Hyper-V or Azure

Choose whether to convert to Hyper-V or Azure.

What About Physical-to-Virtual Conversion (P2V)?

This was a process that used to be done in SCVMM until the release of System Center 2012 R2, when P2V conversion functionality was controversially dropped. The answer from Microsoft was to temporarily run SCVMM 2012 SP1, which is not a very good solution.

In this latest announcement, we have been told that MVMC 3.0 will be released in the fall of 2014, and that it will include P2V conversion functionality. The potential of doing P2V conversions using PowerShell and embedding the process in Orchestrator/Service Manager will be mouthwatering for many consultants and engineers.

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