The following information is for Scan Diagnostic purposes only, and is not indicative of a detected vulnerability.
In order for WMI to operate correctly the range of dynamic ports it makes use of must be accessible.
The ports range can be configured by following the instructions here. Otherwise built-in firewall rules can be enabled to allow the required access.
WMI access is required for accurate Policy assessments, certain system settings required for policy assessment can only be collected via WMI.
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– Scott Cheney, Manager of Information Security, Sierra View Medical Center