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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Unable to generate Wireless Heat Map due to the resolution of the background image

Unable to generate Wireless Heat Map due to the resolution of the background image

Created by Alexandra.Nerpasova, last modified by Alexandra.Nerpasova on Oct 26, 2017

Views: 84 Votes: 0 Revisions: 3

Updated October 26, 2017

Overview

When you try to generate a Wireless Heat Map, you encounter one of the following issues:

  • Error message: Network Atlas has encountered a problem and needs to close. We are sorry for the inconvenience. Please contact SolarWinds Support about this problem.
  • Network Atlas looks as if generating was successful, but there is no Wireless Heat Map displayed on the background.

Environment

  • All versions of NPM

Cause 

Resolution of the image used for the background is too large. One of the following error messages is discovered in the diagnostics file under LogFiles\Orion\WLHM.BusinessLayer:

  • 2017-10-26 09:07:34,866 [87] ERROR SolarWinds.Wireless.Heatmaps.BusinessLayer.DAL.HeatMapGeneratorDAL - System.ArgumentException in HeatMapGenerator: Parameter is not valid.
  • 2017-10-26 00:45:02,723 [16] ERROR SolarWinds.Wireless.Heatmaps.BusinessLayer.DAL.HeatMapGeneratorDAL - System.OutOfMemoryException in HeatMapGenerator: Out of memory.

Resolution

  1. Decrease the resolution of the image used for the background. The resolution of the image should not be larger than 5000 x 5000 pixels.
  2. Restart Network Atlas.
  3. Generate the Wireless Heat Map.

 

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