omicli query root/cimv2 "SELECT Caption, Version FROM Win32_OperatingSystem"
Validate after fix
The "Win32_OperatingSystem results not found via OMI" error, common in FortiSIEM and similar monitoring tools, stems from authentication issues, insufficient permissions, or WMI repository corruption. Effective solutions include switching to Kerberos authentication, verifying Remote Launch/Activation DCOM permissions, repairing the WMI repository, and ensuring necessary firewall ports are open. For comprehensive troubleshooting steps, consult the guide at Fortinet Community . Domain admin user OMI FortiSIEM integration win32-operatingsystem result not found via omi
Ensure that RPC/DCOM traffic is not being blocked between the collector and the target. You can use the DCOM Configuration utility ( dcomcnfg.exe ) to verify that "Remote Activation" is allowed for the user. Domain admin user OMI FortiSIEM integration Ensure that
On the Windows host, locate OMI configuration (often %PROGRAMFILES%\Microsoft OMI\conf\omiserver.conf ). Set: Set: Ensure that the necessary OMI providers are
Ensure that the necessary OMI providers are installed and operational. OMI providers collect data from the system and make it available through OMI.