: OMI requires specific ports to be open between the collector and the target host: TCP/135 (RPC Endpoint Mapper) UDP/137 (NetBIOS) TCP/5985 (HTTP) or TCP/5986 (HTTPS)
When using OMI clients like omicli , incorrect parameters can trigger specific errors:
If they return an error or no data, proceed to WMI repair steps.
Troubleshooting: "Win32_OperatingSystem Result Not Found via OMI" If you're seeing the error "Win32_OperatingSystem result not found via OMI"
In practice, OMI acts as a CIM server that can run on Linux or Unix systems, allowing administrators to remotely query Windows machines using protocols that Linux understands natively. Microsoft has embedded a modified version of OMI into products like , System Center Operations Manager (SCOM) cross-platform agents, and most notably, Azure Arc-enabled servers .
to verify and repair local WMI class availability on the target server? FortiSIEM AIO - Collector questions and WMI/OMI issues 11 Oct 2024 —
: The Microsoft implementation of Web-Based Enterprise Management (WBEM). WMI organizes system details into classes.
For further guidance, you can refer to the official FortiSIEM External Systems Configuration Guide .
Thanks in advance.