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Get-WmiObject -namespace "root\mscluster" -class MSCluster_Resource

Get-WmiObject : Invalid namespace

mofcomp C:\Windows\System32\wbem\ClusWMI.mof

PS C:\Windows\system32> mofcomp C:\Windows\System32\wbem\ClusWMI.mof Microsoft (R) MOF Compiler Version 6.2.9200.16398 Copyright (c) Microsoft Corp. 1997-2006. All rights reserved. Parsing MOF file: C:\Windows\System32\wbem\ClusWMI.mof MOF file has been successfully parsed Storing data in the repository… Done!

Here is for SQL Server WMI issue. Expected error message when WMI doesn’t registered properly.

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The following exception occurred while trying to enumerate the collection: "An exception occurred in SMO while trying to manage a service.".
At line:xx char:xxx
+ $wmi.xxxx
+ ~~~~~~~~~~~~~~~~~~~~
 + CategoryInfo : NotSpecified: (:) [], ExtendedTypeSystemException
 + FullyQualifiedErrorId : ExceptionInGetEnumerator

Another error message when open SQL configuration manage.

Cannot connect to WMI provider. You do not have permission or the server is unreachable

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//SQL 2008
mofcomp "%programfiles(x86)%\Microsoft SQL Server\100\Shared\sqlmgmproviderxpsp2up.mof"
//SQL 2012
mofcomp "%programfiles(x86)%\Microsoft SQL Server\110\Shared\sqlmgmproviderxpsp2up.mof"
//SQL 2014
mofcomp "%programfiles(x86)%\Microsoft SQL Server\120\Shared\sqlmgmproviderxpsp2up.mof"
//SQL 2016
mofcomp "%programfiles(x86)%\Microsoft SQL Server\130\Shared\sqlmgmproviderxpsp2up.mof"
//SQL 2017
mofcomp "%programfiles(x86)%\Microsoft SQL Server\140\Shared\sqlmgmproviderxpsp2up.mof"