NTA upgrade error: SolarWinds.NetFlow.Licensor has stopped working

Overview

This article provides brief information and steps to resolve the following error when upgrading NTA:

SolarWinds.NetFlow.Licensor has stopped working

Environment

All NTA versions

Cause 

The issue is caused by missing DLLs and config files from the \SolarWinds\Orion\NTA folder:

Example of files that were identified as missing:

• SolarWinds.Licensing.Framework.dll
• SolarWinds.Licensing.Framework.dll.config

This can be caused by running the upgrade as Domain Administrator rather than a Local Administrator.

Resolution

1. Create a Local Administrator account.
2. Log in as a Local Administrator.
3. Uninstall NTA then re-install NTA.
4. Complete the Configuration Wizard.