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- How to use Windows Management Instrumentation (WMI) Tester [WBEMTest] to Test WMI Connectivity
How to use Windows Management Instrumentation (WMI) Tester [WBEMTest] to Test WMI Connectivity
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Purpose
Solution
Opening Windows Management Instrumentation (WMI) Tester
- Open a Run prompt
Win+R or Right-click Start and select Run - Run the command: wbemtest
Connecting to a Network Node and Namespace
- Click “Connect…” in the upper right corner of the application.
- Specify the Namespace to connect to in the Namespace field.
- When testing WMI to a Windows Machine, use: root\cimv2
- When testing WMI to a Hyper-V Server, use: root\virtualization\v2
- When testing the connection to a remote server, add that remote machine's hostname before the Namespace and enter credentials. For example: \\<hostname>\root\virtualization\v2 or \\<hostname>\root\cimv2
Connect to Local WMI
Connect to Remote WMI
Connect to Remote Hyper-V
- After entering the Namespace and Credentials (if applicable), click the “Connect” button.
- If the connection was made successfully, no pop-up error will occur, and the namespace specified will be shown.
- If there was a connection issue, a pop-up will appear with details.
Successful Connection
Failed Connection
When an error is displayed, a "Facility" will be indicated. The "Facility" can help identify the initial point of investigation.
For example, a Facility entry of Win32 along with "The RPC server is unavailable" means that no connection could be made to the machine specified on the connection page. Possible causes:
- The hostname specified cannot be resolved by DNS.
- The hostname provided is invalid.
- There is a firewall blocking RPC traffic.
A Facility entry listing WMI means a connection could be made via WMI, but a WMI-level error occurred. For example, a "Facility: WMI" along with "Invalid Namespace" could mean that either the namespace was misentered or the namespace specified does not exist.
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