Windows server 2019 Upgrade virtual machine version in Hyper-V #hyperv #winserv #hybrid   Leave a comment

Why should I upgrade the virtual machine configuration version?

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When you move or import a virtual machine to a computer that runs Hyper-V on Windows Server 2019, Windows Server 2016, or Windows 10, the virtual machine"s configuration isn’t automatically updated. This means that you can move the virtual machine back to a Hyper-V host that runs a previous version of Windows or Windows Server. But, this also means that you can’t use some of the new virtual machine features until you manually update the configuration version. You can’t downgrade the virtual machine configuration version after you’ve upgraded it.

The virtual machine configuration version represents the compatibility of the virtual machine’s configuration, saved state, and snapshot files with the version of Hyper-V. When you update the configuration version, you change the file structure that is used to store the virtual machines configuration and the checkpoint files. You also update the configuration version to the latest version supported by that Hyper-V host. Upgraded virtual machines use a new configuration file format, which is designed to increase the efficiency of reading and writing virtual machine configuration data. The upgrade also reduces the potential for data corruption in the event of a storage failure.

 

With PowerShell we check what versions I have running

Get-VM * | Format-Table Name, Version

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As you can see I have version 5.0 – 9.0 running time for some upgrading.

This VM has version 5 and I’m upgrading this to version 9.0 , Windows server 2019 default.

Microsoft Windows 10 October 2018 Update/Server 2019 9.0     True

Update-VMVersion HYD-DC1 

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Confirming and done.

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If you want to upgrade all vm’s   then use a *

Update-VMVersion *

Get-VMHostSupportedVersion –Default

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Microsoft Windows 10 October 2018 Update/Server 2019 9.0     True

In the table below you can see the versions between the OS versions and LTSC and SAC.

Supported VM configuration versions for long-term servicing hosts

The following table lists the VM configuration versions that are supported on hosts running a long-term servicing version of Windows.

Hyper-V host Windows version 9.1 9.0 8.3 8.2 8.1 8.0 7.1 7.0 6.2 5.0
Windows Server 2019
Windows 10 Enterprise LTSC 2019
Windows Server 2016
Windows 10 Enterprise 2016 LTSB
Windows 10 Enterprise 2015 LTSB
Windows Server 2012 R2
Windows 8.1

Supported VM configuration versions for semi-annual channel hosts

The following table lists the VM configuration versions for hosts running a currently supported semi-annual channel version of Windows.

Hyper-V host Windows version 9.1 9.0 8.3 8.2 8.1 8.0 7.1 7.0 6.2 5.0
Windows 10 May 2019 Update (version 1903)
Windows Server, version 1903
Windows Server, version 1809
Windows 10 October 2018 Update (version 1809)
Windows Server, version 1803
Windows 10 April 2018 Update (version 1803)
Windows 10 Fall Creators Update (version 1709)
Windows 10 Creators Update (version 1703)
Windows 10 Anniversary Update (version 1607)

 

 

 

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Posted June 5, 2019 by Robert Smit [MVP] in Windows Server 2019

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