nc -zv <TARGET_IP> 5985 # HTTP WinRM nc -zv <TARGET_IP> 5986 # HTTPS WinRM (if used)
Run the following command in PowerShell as Administrator to check if the repository is consistent: powershell winmgmt /verifyrepository Use code with caution.
Fixing the Error: "Win32_OperatingSystem Result Not Found Via OMI"
# Check WinRM service status Get-Service WinRM
Create or modify a GPO that configures WinRM to listen on all interfaces. This is the solution that resolved the issue for one FortiSIEM user who encountered the error with a Windows Server 2019 Domain Controller. win32operatingsystem result not found via omi new
The error win32operatingsystem result not found via omi new is rarely a bug in OMI itself. In over 90% of cases, it stems from one of three causes: an incorrect namespace, insufficient WMI permissions for the OMI service or user, or a corrupted WMI repository on the target Windows machine.
For : Ensure the user profile belongs to the Domain Admins group.
omicli ei root/cimv2
omiendpoint /namespace:"root/cimv2" /className:Win32_OperatingSystem # Or via the Python/Scripting API nc -zv <TARGET_IP> 5985 # HTTP WinRM nc
NTLM validation frequently triggers subtle credential failures during OMI onboarding. To bypass these legacy handshaking issues:
The most common resolutions fall into three categories:
Isolate whether the breakdown is on the Linux-monitoring side or the Windows target host by running local and remote test queries.
Treat this as a deep OS-level or authentication-level error. 4. Switch from NTLM to Kerberos Authentication The error win32operatingsystem result not found via omi
Test-NetConnection <Windows_Host_IP> -Port 5985
The error typically indicates a communication or permission failure between a monitoring collector (like FortiSIEM ) and a target Windows host. It often means that while the initial connection was made, the Open Management Infrastructure (OMI) service could not retrieve the required system information through WMI. Common Causes & Fixes FortiSIEM AIO - Collector questions and WMI/OMI issues
If the local Get-WmiObject Win32_OperatingSystem command fails, the WMI repository may be corrupted.