MAC NMP was deleted from Appneta Portal prior to uninstall of software.
Device will not connect back to server as it is trying to connect to old instance which has been deleted.
Uninstall and Reinstall of software.
Manual fix from command line:
1. Open Terminal
2. Change Directory to Appneta Config
cd /Library/Application\ Support/AppNeta/config
3. List all files
4. Delete .id file
sudo rm .id
5. Verify file has been deleted
6. Restart Appneta Sequencer Service