Before blaming OMI, confirm if WMI itself is functional on the target Windows machine. Open PowerShell as Administrator. Run the following command: powershell Get-WmiObject -Class Win32_OperatingSystem Use code with caution.
Manually verify that the user has "Remote Enable" and "Enable Account" permissions in the WMI Control properties ( wmimgmt.msc Root\CIMV2 namespace. 3. Network & Firewall Requirements
One such error that has baffled many professionals is the message. This error typically occurs when using the Open Management Infrastructure (OMI) to query a Windows machine for basic operating system information, specifically the Win32OperatingSystem WMI class. win32operatingsystem result not found via omi new
Ensure the account has remote enablement permissions inside the root\cimv2 namespace via wmimgmt.msc . Step 3: Run Isolation Tests Using Native Tools
The OMI tool must talk to the Windows machine across the network. Blocked ports will instantly trigger this error. Before blaming OMI, confirm if WMI itself is
[omiserver] dcom_enabled = false # Prefer WinRM over DCOM https_port = 5986 auth_basic = true
Key characteristics of OMI include:
Use the correct resource URI format:
OMI requires specific ports to be open for communication. Ensure that the Windows host's firewall allows inbound connections from your management server on , TCP/5985 , and TCP/5986 (for HTTPS) [9†L11-L13]. You can test this from your management server using Test-NetConnection in PowerShell: Manually verify that the user has "Remote Enable"
The WMI repository on the target Windows machine is inconsistent or corrupted, causing queries to fail.