WMI Availability is always nothing/null?

Question

Hello

I'm using this code to get the Availability of system disks, but Availability is always nothing/null:

Searcher As New ManagementObjectSearcher(New SelectQuery("Win32_DiskDrive"))
    For Each MyDisk As ManagementObject In MySearcher.Get()
        MyDisk("Availability").ToString

https://learn.microsoft.com/en-us/windows/win32/cimwin32prov/win32-diskdrive

Any idea if that property is even working?

Thanks.

Answer 1

Hi @Anonymous ,

Ensure that your application has sufficient privileges to query WMI.

Use tools like WMI Explorer or PowerShell to test if the Availability property is populated for your system disks.

If Availability is not populated, you might want to use other properties of the Win32_DiskDrive class like Status which indicates the current status of the disk (e.g., "OK").

Best Regards.

Jiachen Li

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