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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Network Atlas closes as soon as you start the application

Network Atlas closes as soon as you start the application

Updated November 29, 2016

Overview

Network Atlas closes as soon as it opens and C:\ProgramData\Solarwinds\NetworkAtlas\NetworkAtlas.log has the following error:

 

2016-11-23 11:42:40,646 [8] INFO  MapEngine - Evaluate Map Statuses
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - UNHANDLED EXCEPTION CAUGHT ON UI THREAD.
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - Message: The given key was not present in the dictionary.
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - Data: System.Collections.ListDictionaryInternal
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - TargetSite: TValue get_Item(TKey)
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - StackTrace:    at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   at SolarWinds.MapEngine.MapStatusEvaluator.EvaluateMapStatusesNew(List`1 maps, Engine engine)
   at SolarWinds.MapEngine.MapStatusEvaluator.EvaluateMapStatuses(List`1 maps, Action`1 progressReportCallback, Int32 childrenLevel)
   at SolarWinds.MapEngine.Engine.ReadTopEntities(Action`2 progressReportCallback, Int32 viewLimitationId)
   at SolarWinds.MapEngine.Engine.GetTopEntities(Action`2 progressReportCallback)
   at SolarWinds.MapStudio.Gui.MainWindow.ReadTopData(Action`2 progressReportCallback)
   at SolarWinds.MapStudio.Gui.MainWindow.synchronizeBackgroundWorker_DoWork(Object sender, DoWorkEventArgs e)
   at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
   at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - Source: mscorlib
2016-11-23 11:42:40,740 [Main Window UI thread] FATAL NetworkAtlas - HResult: -2146232969

 

Environment

NPM 12.0.1

Resolution

Install hotfix #1 for NPM 12.0.1 and clear out c:\Windows\temp file

Note: Make sure you stop all SolarWinds services before clearing out c:\Windows\Temp. Some files may also be opened by other programs so skip those files and do not delete them.

 

 

 

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