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The
CylancePROTECT Desktop
agent is not communicating with
CylanceHYBRID

Verify the following:
  • Make sure that the
    CylancePROTECT Desktop
    agent version 1574/1578 or later is installed on the device. To do so, locate the Cylance icon (The Cylance icon) in the system tray or check the list of apps installed on the device. For more information, see the compatibility information for the
    Cylance Endpoint Security
    desktop agents.
  • Make sure the CA certificate used to sign the certificate and key used on your
    CylanceHYBRID
    application is installed on the device in the Local Machine Certificate Store.
  • Confirm that the device can reach the
    CylanceHYBRID
    application over port 443.