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Knowledge Base FAQ Item #6870010


Q6870010: I'm having problems with monitoring MS Exchange: The error I get is: "Win32_PerfRawData_MSExchangeIS_MSExchangeIS class does not exist." What should I do?

This problem occurs because Windows Management Instrumentation (WMI) uses AutoDiscovery/AutoPurge (ADAP) to build its internal performance counter table. If the particular Exchange service on the monitored computer was not started when the WMI ADAP process is started, the performance counters are not transferred to WMI.

Please run the following command from the command line on the monitored computer:

  wmiadap /f

and then restart the wmi-service.

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