Get-WmiObject : Invalid class "Win32_DCOMApplicationSetting"

Question

When I run the below PowerShell command on a Windows Server 2016 Standard host I get the following error:

Get-WmiObject -query ('SELECT * FROM Win32_DCOMApplicationSetting WHERE AppId = "{00020906-0000-0000-C000-000000000046}"') -EnableAllPrivileges

Get-WmiObject : Invalid class "Win32_DCOMApplicationSetting"
At line:1 char:1
+ Get-WmiObject -query ('SELECT * FROM Win32_DCOMApplicationSetting WHE ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [Get-WmiObject], ManagementException
    + FullyQualifiedErrorId : GetWMIManagementException,Microsoft.PowerShell.Commands.GetWmiObjectCommand

The host has Microsoft Office 2016 installed and the AppId GUID refers to the Microsoft Excel Application DCOM application.

I have several other identical hosts, and the command completes successfully on those. What might be causing the problem on this host?

See here if its present here Get-WmiObject -Namespace "root\cimv2" -List | Where-Object { $_.Name -like "*DCOM*" } or not. Maybe the DCOM is removed or not registered for excel. You can also check in dcomcnfg — Ranadip Dutta
– Ranadip Dutta, Commented Sep 18 at 14:58
Hi @RanadipDutta, it isn't listed by that command. The DCOM UI seems to be working fine, but I would like to be able to apply the configuration via PowerShell script. Thanks — Tom Hunter
– Tom Hunter, Commented Sep 18 at 20:00
a note: the Wmi cmdlets have been deprecated since Powershell 3, use the Cim ones instead learn.microsoft.com/en-us/powershell/scripting/learn/ps101/… — sirtao
– sirtao, Commented Sep 19 at 6:46

Tom Hunter · Accepted Answer · 2025-09-18 21:21:50Z

1

The following command shell script (from https://techcommunity.microsoft.com/blog/askperf/wmi-rebuilding-the-wmi-repository/373846) seems to have resolved the issue:

@echo off
sc config winmgmt start= disabled
net stop winmgmt /y
%systemdrive%
cd %windir%\system32\wbem
for /f %%s in ('dir /b *.dll') do regsvr32 /s %%s
wmiprvse /regserver
sc config winmgmt start= auto
net start winmgmt
for /f %%s in ('dir /s /b *.mof *.mfl') do mofcomp %%s

answered Sep 18 at 21:21

Tom Hunter

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1 Comment

Ranadip Dutta Sep 19 at 13:57

Thats nice. *.mof and *.mfl is absolutely stunning.

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