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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA - Knowledgebase Articles > Error flushing data System.ServiceModel.FaultException: Exception 'InvalidOperationException' while resolving string IDs: Can't get IDs for strings becaues connection can't be opened

Error flushing data System.ServiceModel.FaultException: Exception 'InvalidOperationException' while resolving string IDs: Can't get IDs for strings becaues connection can't be opened

Updated September 10, 2018

Overview

This article addresses an error in the Orion Web Console that it is unable to communicate with the NTA.BusinessLayer:

ERROR:

SolarWinds.Netflow.Processing.Workflow.NetFlowPacketWorkflowManager - Error flushing data
System.ServiceModel.FaultException: Exception 'InvalidOperationException' while resolving string IDs: Can't get IDs for strings because connection can't be opened.

Environment

  • NTA 4.x

Cause 

This occurs when the NetFlow service is corrupted or is not installed, or when the Primary Polling Engine or Additional Polling Engine is not using the proper connection string to the SQL database server (which can occur after a migration).

Resolution

  • Repair the NTA service. The Configuration Wizard should automatically launch after the repair. Otherwise, manually launch the Configuration Wizard.

Note: Refer to Multiple running ConfigWizard instances detected! if you run into this error.

  • Please run the Configuration Wizard using the "Database" option in order to make sure the database connection string points to the correct SQL database:

https://support.solarwinds.com/Success_Center/Network_Performance_Monitor_(NPM)/Running_Configuration_Wizard

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