WMI Monitoring

WMI monitor items periodically query the Windows Management Instrumentation database and generate alerts when the results of the query change. Windows Management Instrumentation (WMI) is Microsoft's implementation of a Web-Based Enterprise Management (WBEM)-compliant model that supports uniform system and applications management.

WMI is based on the Common Information Model adopted by the Distributed Management Task Force. WMI is a key component of Microsoft Windows management services, and an integral part of Windows NT (with the WMI Core components installed) Windows 2000, Windows XP, and Windows 2003.

Monitoring with a WMI monitor item is accomplished using a query of the WMI namespace (typically root\cimv2). This query, which you must manually formulate and enter, can be created using VBScript or JScript. You can query any valid WMI namespace. The first time the query is run, the results are logged. If on any subsequent query the results are different, you may trigger one of several notification methods: an Alert, a customizable Warning event in the Application log, a network message or a batch file, executable or script.

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