Get-WmiObject -Class Win32_OperatingSystem
environments when the collector fails to retrieve system data from a Windows machine using the Open Management Infrastructure (OMI) protocol. This is often caused by authentication mismatches or a lack of the Win32_OperatingSystem class in the expected namespace. Common Causes & Solutions Authentication Protocol Conflict
By verifying the SCX provider and testing with omicli , you can usually pinpoint whether the issue is a missing component or a simple configuration mismatch.
Check listener:
to verify if the WMI class is responding locally on your Windows server? FortiSIEM AIO - Collector questions and WMI/OMI issues
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