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Nexus
Asked: 2013-05-09 15:46:19 +0800 CST

Invalid namespace "rootvirtualization" on Hyper-V 2012

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Running the following command on a fresh Hyper-V 2012 server:

get-wmiobject -namespace “rootvirtualization” -Query “select * from Msvm_ConcreteJob”

produces this errorerror:

Get-WmiObject : Invalid namespace "rootvirtualization"
At line:1 char:1
+ Get-WmiObject -Namespace "rootvirtualization" -Query "Select * from Msvm_concret ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (:) [Get-WmiObject], ManagementException
    + FullyQualifiedErrorId : GetWMIManagementException,Microsoft.PowerShell.Commands.GetWmiObjectCommand

I'm lost as to what the issue would be, shouldn't this namespace be part of a standard Hyper-V install? Is there some powershell module I need to install?

powershell

1 Answers

  1. Best Answer

    It seems a backslash is missing from the namespace path. Rather than "rootvirtualization" the path should be "root\virtualization"

    UPDATE: For 2012 R2 the namespace is "root\virtualization\v2"

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