SCCM primary server upgrade in place does need or not WMF 5.1?

clau marius 21 Reputation points
2023-01-05T07:02:18.747+00:00

Hello Everybody and thank you for your time having a look at my question.

Currently I have a SCCM CB installed on 2012 R2 and need upgrading to 2019 in place, which is supported.

In the main page of upgrading https://video2.skills-academy.com/en-us/mem/configmgr/core/servers/manage/upgrade-on-premises-infrastructure it says that as a pre-requisite I have to uninstall WMF 5.1 and also says to keep in consideration the general upgrade of servers which on this page https://video2.skills-academy.com/en-us/windows-server/get-started/perform-in-place-upgrade (is more recent that the previous one for cm) it says that it needs Powershell 5.1 from 2012 R2 to 2019 as a pre-requisite.

Now, which is which and what should I apply? If you can give some details or your own experience would be much appreciated.

Thank you again, regards.

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Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Migration: The process of making existing applications and data work on a different computer or operating system.
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  1. AllenLiu-MSFT 44,111 Reputation points Microsoft Vendor
    2023-01-06T05:53:52.533+00:00

    Hi, @clau marius

    Thank you for posting in Microsoft Q&A forum.

    We can see the second article does not mention performing an in-place upgrade from Windows Server 2012 R2, and from the tips, we know the PowerShell 5.1 or later is not a prerequisite for the in-place upgrade, it just used to collect some information.
    https://video2.skills-academy.com/en-us/windows-server/get-started/perform-in-place-upgrade#:~:text=of%20your%20computer.-,Tip,-Get%2DComputerInfo%20requires

    But the first article explicitly mentioned for Windows Server 2012 or Windows Server 2012 R2 only, we have to uninstall Windows Management Framework 5.1 before attempting the upgrade.

    And according to my experience, we need to uninstall WMF 5.1 before we upgrade Windows Server 2012 R2.

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  1. Limitless Technology 44,221 Reputation points
    2023-01-06T10:56:26.53+00:00

    Hello,

    This is because Windows Management Framework includes many other items, not only Powershell 5.1. In this case, you need to uninstall WMF, but later install Powershell 5.1 alone.

    --If the reply is helpful, please Upvote and Accept as answer--

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