Occasionally we'll get these errors on our web-front end and will require a reboot to clear up. We are running to Pollers together.
Network Performance Monitor Startup Error
Cannot start SolarWinds Orion NPM Web Engine (OrionNPMWeb.Application).
Error Number 424
Object required
You may need to rerun the SolarWinds Configuration Wizard.
Visit http://www.solarwinds.net/netperfmon/help/admin/Security for more detailed information.