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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA - Knowledgebase Articles > Unable to install Netflow 4.x

Unable to install Netflow 4.x

Updated November 15, 2016

Overview

This article provides brief information and steps to resolve the issue when the installer for NTA 4.x does not continue to the page where SQL and Netflow Flow Storage database connection is tested. 

After testing the connection, the screen disappears. Installer detects Netflow registry keys but cannot detect the Netflow version since other keys have been deleted when uninstalled.

 

Events seen in the NTA Pre-install logs:

NTA [12: 1:47:637] :  Install check type: 0 [0 - RTM, 1 - Beta, 2 - Skip]

NTA [12: 1:47:637] : Entry .. GetNtaMsiPackageName

NTA [12: 1:47:637] : Entry .. .. LaunchAndWaitForExecutable

NTA [12: 1:49:793] : Exit  .. .. LaunchAndWaitForExecutable

NTA [12: 1:49:793] : INFO  ..PreInstallChecker returned -1

NTA [12: 1:49:793] : FAIL  .. ..Failed to determine action from PreInstallChecker.exe file.

NTA [12: 1:49:793] : Exit  .. GetNtaMsiPackageName FAILED

NTA [12: 1:49:793] : FAIL  ..Failed to get NTA MSI package name.

NTA [12: 1:49:793] : Entry .. CheckNTAVersion

NTA [12: 1:49:793] : FAIL  .. ..Insufficient Orion NTA version: 4.1.9813.0

NTA [12: 1:49:793] : FAIL  .. ..Orion NTA version validation failed.

NTA [12: 1:49:793] : Exit  .. CheckNTAVersion FAILED

NTA [12: 1:49:793] : Exit  WinMain FAILED

NTA [12: 1:49:793] : FAIL  .. ..Insufficient Orion NTA version: 4.1.9813.0

NTA [12: 1:49:793] : FAIL  .. ..Orion NTA version validation failed.

NTA [12: 1:49:793] : Exit  .. CheckNTAVersion FAILED

NTA [12: 1:49:793] : Exit  WinMain FAILED

 

Environment

NTA version 4.x

 

Cause 

The issue is caused when there are Netflow registry keys left after uninstalling Netflow, and then installing at a later time with a different version.

 

Resolution

1. Go to the following registry path: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\SolarWinds\Orion.

2. Delete the following registry keys:

  • NetFlow Traffic Analyzer
  • NetFlow Traffic Analyzer Installer

 

 

 

 

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