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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Random packet loss on a VMware VM hosting a polling engine

Random packet loss on a VMware VM hosting a polling engine

Updated December 31, 2018


  • Packet loss randomly occurs on an Orion Platform polling engine hosted by a VMware VM.
  • Packets are dropped between the virtual switch and the guest operating system driver.
  • Other guest OS machines on the same host may show no packet loss.


  • All Orion Platform versions


  • The RX buffer ran out memory.
  • A polling engine may be using a different NIC speed than the other pollers.



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