Find the cause of a "No Sensor Defined" error message

  • Release version: Zurich
  • Updated July 31, 2025
  • 1 minute to read
  • Every active probe looks for a corresponding sensor to process the data that is collected by the probe. The "No Sensors Defined" message indicates that the corresponding sensor for the probe is missing or inactive.

    Before you begin

    Role required: sn_cloud_ops_ws.cloud_ops_admin or admin

    About this task

    To find the cause of this error, identify the Short Message field of the error record. This field shows the name of the probe for which the sensor is missing.

    Procedure

    1. Depending on the application you're using, do one of the following:
      • To identify the cause of the error using Cloud Discovery Workspace, navigate to Cloud Discovery Workspace > Cloud Discovery > Diagnostics > Discovery Log.
      • To identify the cause of the error using Discovery, navigate to All > Discovery > Output and Artifacts > Discovery Log.
    2. Filter the Level column by Error.
      If you are using Discovery, you can also view the Error Report on the Discovery dashboard.
    3. Note the Short Message field of the error record.
      This field shows the name of the sensor where the error has occurred.