Powershell and COM objects

The code below stops service. 

$comAdmin = New-Object -com ("COMAdmin.COMAdminCatalog.1")
$comAdmin.ShutdownApplication("US Business Objects")

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What would the code be to check status of COM object before and after I stop service?
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Leo TorresSQL DeveloperAsked:
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
The specific COM object implements status members. Aside from "does the object exist" (the result not being $null or an empty object), there is nothing generic you can check.
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Leo TorresSQL DeveloperAuthor Commented:
OK so there is no way to check is COM object is running or not?
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
No. If you get an object, the process hosting the object is running - necessarily. If the object can check for the status of other processes, it is different, and that might be what you are after. I'll check the COM object you use to see if I can find out more.
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Leo TorresSQL DeveloperAuthor Commented:
Mind you the "US Business Objects" i am using is an internal object your going to have to use another Object.
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
In a quick glance, going thru all COM app instances, and checking for the GUID matching, is the only way to check if all instances are shut down (see http://www.31a2ba2a-b718-11dc-8314-0800200c9a66.com/2008/11/shutting-down-running-com-instance_9879.html for non-PS example code).
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
Can't test, as I don't have any COM object available in the factory, so I'll have to provide something for you to test:
$comAdmin = New-Object -com ("COMAdmin.COMAdminCatalog.1")
# $comAdmin.ShutdownApplication("US Business Objects")

$instances = $comAdmin.GetCollection("ApplicationInstances")
$instances.Populate()

foreach ($instance in $instances)
{
  $instance.Name | Write-Host
}

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I expect you to see "US Business Objects", if the COM service is running. $instance is a COMAdmin.COMAdminCatalogObject, described here https://msdn.microsoft.com/en-us/library/windows/desktop/ms679228(v=vs.85).aspx, but that doesn't help much ;-).
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Leo TorresSQL DeveloperAuthor Commented:
Thank you, out of office till Friday morning will try to get to it before then thank you!
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Leo TorresSQL DeveloperAuthor Commented:
Havent had Chance to test but I have confidence  in your code. will update at some point for now I will give you credit.
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