Information and announcements from Program Managers, Product Managers, Developers and Testers in the Microsoft Virtualization team.
Windows Server 2012 is generally available for evaluation and purchase by all customers around the world. Additionally, there is great news for organizations that are looking for a way to migrate virtual machines hosted on VMware vSphere to the Hyper-V host in Windows Server 2012. The production (RTW) version of the Microsoft Virtual Machine Converter (MVMC) and the Beta version of the VMware console plugin version are both available to download. We extend a huge thank you to our beta participants who have taken the time to evaluate the pre-release versions of the tools and provided us with extremely valuable feedback. MVMC is one resource available as part of the Switch to Hyper-V program announced at Microsoft’s Worldwide Partner Conference earlier this year. The Switch to Hyper-V program helps partners and customers go beyond virtualization to true cloud computing by providing guidance, resources, and tools that take the risk out of virtual migrations, reduce the time and effort required, and define best practices.Click on the links provided below to download MVMC and the MVMC Plug-In for vSphere Client
In case you haven’t had a chance to evaluate the pre-release versions of these tools, MVMC provides a Microsoft-supported, freely available, standalone solution and a VMware console plugin solution. In each case, it converts VMware virtual machines (VMs) and VMware virtual disks (VMDKs) to Hyper-V virtual machines and Hyper-V virtual hard disks (VHDs). The virtual machine conversion capability can be invoked through a graphical user interface (GUI) or a command- line interface. The wizard-driven GUI has all of 5 simple screens where user input is required and you are ready to convert a virtual machine from vSphere to Hyper-V. It doesn’t get more simple than that!
MVMC converts VMware virtual machines created with:
To virtual machines for:
Hope you have a great experience using MVMC.
Cheers,Microsoft Virtual Machine Converter Team
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So, is it a prerelease tool, or is it a full version of this tool?
Igor the MVMC standalone solution is released and available for download. The MVMC Plug-In for VMware vSphere client is a pre-release tool. Watch out for the release announcement for plug-in coming out shortly.
With Microsoft Virtual Machine Converter (MVMC) we just had ... problems, problems and ... problems. 3 out of 5 Machines failed to convert and because MVMC does not offer detailled problem description, we were not able to solve the problems. (e.g. MVMC just says, that there is no more space on the disk (which disk? - all related disks have > 1TByte free disk space…) or MVMC says, that it is not able to connect to the virtual machine (what exactly failed? we were able to ping it, we were able to login to it…)
Fortunately, we've found a converter which *never* failed:
The only problems:
- it does not migrate the IP-Configuration, the migrated Ethernet Adapters just use DHCP
- it does not install the latest Hyper-V Drivers (which is easy to do manually)
Kind regards, Thomas
One other issue is that the Microsoft converter uses a VMware API that seems to require a licensed copy of vSphere. It does not seem to work if you are using the free version.
Why would you want to downgrade to hyperv?
Although supports Windows Server 2012 Hyper-V hosts, MVMC DOES NOT support Windows Server 2012 guests!!!??? It's already useless.
Formally it doesn't support vSphere 5.1 source hosts, but it works with them. Snapshot, uninstall VMware tools, and grabbing VM files works with 5.1 also.
Conversion lasts way too long (7 hours in my case for 2 x 200GB VM).
And the worst thing for the end - it report some meaningless error (library share access), and after 7 hours - I've got nothing. And even worst - few minutes ago I've finished my third attempt with the same result - nothing.
The tool is ridiculous - don't waste your time.
Microsoft really confuses me. They tend to be leader in virtualization, but even conversion tool is such a big deal for them. Instead of making simple and efficient tool (as far as I know it shouldn't be so hard), they are making few very different tools. If you compare SCVMM conversion with MVMC you'll notice that they are very different. For example, for SCVMM you must uninstall VMware Tools from guest, and MVMC requires VMware Tools to be installed.
The result is that tools are similar in one thing: both are unsuccessful. In my case SCVMM successfully converts just once in ten attempts. Really. Other nine attempts are failures with message which states that something is wrong with some parameter. Even without telling at least the parameter name.
I'm very, very, very disappointed with both tools.
One can think that I'm VMware guy with malicious intents here. But I'm not - I'm absolutely Microsoft guy, with Microsoft certificates, developing just in .NET from version 1.0 (2000)... And now I'm very disappointed just because stupid conversion. Pff
Having a look at the comments i'm wondering if this tools is useful. Anyone has successfully convert virtual Machine from Vmware to Hyperv2012 ?
Migration from VMware to Hyper V has never been easy for us, always had to face issues with no solution and decided not to keep servers running on VMware.
mcitp - for better performance and much lower costs.
I go way back with virtualization to 2004 and often deployed VMware Server (yes, the version than ran on top of Windows Server). Fast forward to 2012 and quite a few of those VMware Servers are STILL running in production, including all the domain controllers in a 500 user environment. Yes, it runs like a champ! :-)
In the last week, using the Microsoft Virtual Machine Converter, I successfully and easily converted the Windows Server 2003 Domain Controllers and a Windows Server 2003 SQL server all running on VMware SERVER versions 1.0.4 and 1.0.6 (not ESX or vSphere) to Hyper-V.
The key is to shutdown the VMware Server virtual machine and use the Microsoft Virtual Machine Converter command line MVDC.exe program to read the .vmdk files from which MVDC.exe will create the .vhd files.
If you want the resulting .vhd in Dynamic size mode, use the /Dyn command flag. For example, run this command on your Windows Server 2012 physical host machine after copying the .vmdk files to it for conversion:
"C:\Program Files (x86)\Microsoft Virtual Machine Converter Solution Accelerator\MVDC.exe" "Server1 Drive C Disk1.vmdk" "Server1 Drive C.vhd" /Dyn
Yes, the resulting .vhd file size will be the maximum disk size of the .vhdk, but you can Compact the .vhd using Hyper-V Management after its created.
Before deciding to use Microsoft Virtual Machine Converter, I evaluated many other programs including those mentioned in this blog, but most of them required a live ESX or vSphere server to tap into, which of course, VMware Server is not. For several years, I have also used Imaging and Conversion programs like Symantec Backup Exec System Recovery (aka Symantec Server Recovery) and it works well, but its two step process of backup then conversion is tedious. Going back further, I used Platespin for P2V and V2V, and VMware's nifty converters.
My thorough experiences with Microsoft Virtual Machine Converter have been very positive and productive!
Microsoft, thank you so much for making this tool available!
Now, on to converting the next 15 servers...
OK ... let's see if it's any good ... here's a test case:
VM is a Domain controller ... Win Svr 2008 R2, on ESXi 4.1 ... it was taken offline in a less than graceful manner leaving DC's out of sync, inaccessible shares, etc. Can access/download/export the files via vSphere client to my Win 7 Ultimate PC. Would like to convert to Hyper-V ... and upload to an Azure Win virtual machine. I have downloaded the "free, simple, standalone tools".
VM has two ".vmdk" files, about 60gb and 200gb.
Downloading any ".vmdk" file, I get a "-flat.vmdk" file ... mvdc says "no suitable drive was found at path...".
Exporting to OVA ... zipeg says "file corrupted or format unsupported".
Are these tools right for this job?
Here is details steps I wrote.
Looking at using the MVMC tool - one Q that is not clear from doco is how the MVMC deals with source VMWare VMs with Raw LUN mappings??
Can MVMC convert these raw LUN mappings to vhd(x) as well or do you first need to convert from raw to vmdk in VMWare and then use the MVMC tool to bring these across to Hyper-V?
Thanks for clarifying