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How to use Windows Management Instrumentation (WMI) Tester [WBEMTest] to troubleshoot WMI


This knowledge base article was created to document how to use Windows Management Instrumentation (WMI) Tester [WBEMTest] to assist in the troubleshooting and isolating of WMI call related issues with Veeam Backup & Replication.


To open Windows Management Instrumentation (WMI) Tester
From a run prompt execute the command ‘wbemtest’.
(If you are testing RPC or a WMI call (and not WMI in general) then open wbemtest on the computer with Veeam software installed on it.)
Connecting to a network node and namespace
To connect to a network node click on “Connect…” in the upper right corner of the application. This will open a new window where you can enter connection parameters. 

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Specify the namespace to connect to in the namespace section.
If you are testing WMI with the local server you will enter the namespace.

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If testing WMI with a remote server you will enter that server’s hostname prior to the name space in the same way you would a UNC path.

When connecting to a remote server you must specify the credentials for the connection.
For example, to connect to the ‘root/cimv2’ on a server named ‘host1’:

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Once you have entered in the correct path and credentials (if applicable), click the “Connect” button. This will close the Connect window. You will see the path listed under “Namespace:” if you connected successfully.
If there is a connection issue a pop-up with error details will appear.
After a connection has been successfully created, a query can be tested by clicking the “Query” button. 

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This will open a new window labeled “Query”.
Enter a WMI query, then click apply. After clicking apply the Query window will close and show a Query Result window.
For example, the following query works when connect to the cimv2 namespace:
     select * from Win32_OperatingSystem

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The example result is shown below.

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