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High CPU use by application pool worker processes

High CPU use by application pool worker processes may be caused by one of the following conditions:
  • An under-powered application server: With a single application server with 4 CPUs and 4 GB RAM, the desktop application pool worker processes use about 50% each. In this case, two worker processes use 100% of the available CPU.
  • Symantec Endpoint Protection Service is scanning the database files.