Virtualization

How can we improve the virtualization platform and management in Windows Server?

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  1. Hyper-V 2019 - Guest VMs shutdown unexpectedly

    When the host server shuts down, a bug in which guest VMs are not automatically shut down occurs in Windows 10 1809 or Windows Server 2019.
    It is also a topic in the forum.
    Please solve this bug as soon as possible.

    https://social.technet.microsoft.com/Forums/en-US/e8c45a15-0b9a-4b2c-ae2a-c546eadbcf41/hyperv-2019-guest-vmamp39s-shutdown-unexpectedly?forum=winserverhyperv

    15 votes
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  2. VSS Hyper-V VM bug

    There is a bug, uncovered when using Veeam backup software which they describe as -

    "Application-aware processing of Active Directory domain controllers running on guest OS other than Windows Server 2016 fails with the “Failed to create VM recovery checkpoint” error (32770). This is a Hyper-V 2016 issue that Microsoft is planning to address in the future update."

    Any news on a fix for this would be great.

    14 votes
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    7 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  3. Hyper-V CimSession Caching Bug

    The Server 2016 Hyper-V module caches CimSessions, presumably to make queries for related entities faster. The problem is that it also caches explicitly provided CimSessions that it does not own the lifetime of. So, if you ever use a CimSession with a Hyper-V cmdlet, then close that session, Hyper-V will try to use that disposed CimSession for any future interaction with the host in question. This is wrong, you can't cache objects with a lifetime you don't control without at least handling the case when that lifetime has been ended by the actual owner of the object.

    Repro:
    $someHyperVServer =…

    2 votes
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  4. Add-VMGroupMember does not work

    Add-VMGroupMember does not seem to work as described in https://technet.microsoft.com/en-us/itpro/powershell/windows/hyper-v/add-vmgroupmember
    Just do
    $vm = Get-VM -Name "ABC"
    Add-VMGroupMember -Name "XYZ" -VM $vm

    Add-VMGroupMember : The operation failed.
    At line:1 char:1
    + Add-VMGroupMember -Name "CrmDBClu" -VM $vm -Verbose
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo : InvalidArgument: (:) [Add-VMGroupMember], Virtualizatio
    nException
    + FullyQualifiedErrorId : InvalidParameter,Microsoft.HyperV.PowerShell.Commands.A
    ddVMGroupMember

    PowerShell version: 5.1.14393.1480
    Windows Server 2016

    1 vote
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  5. Windows Server 2016 as Hyper-V Guest: Successfully Installed, but then RDP closes itsefl, hyper-v connect just black screen

    Windows Server 2016 as Hyper-V Guest: Successfully Installed, but then RDP closes itsefl, hyper-v connect just black screen

    3 votes
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
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