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    1. Browse to the Service Monitor Outages report (Reports -> Service Monitor Outages)
    2. Select a reasonable time frame (smaller time frames will generate quicker) and the element with the "No recent performance data available. Is the system online?" message.
    3. When the report has completed, check for the "IEnumVARIANT::Next" string in the message portion of PPG monitor

Image Modified uptime.log file

  1. search in the uptime.log file for occurrences of the hostname of the element with the message, "No recent performance data available. Is the system online?"
  2. refine the search by reviewing just the entries for the Platform Performance Gatherer and check for the string "IEnumVARIANT::Next"

Likely if the "IEnumVARIANT::Next" string appears in the Outages report, it will appear in the uptime.log and vice versa. To resolve try rebuilding the performance counters using the steps outlined in the Rebuilding Windows Performance Counters
knowledge base article.
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