Multiple Rundll32.exe Processes on App Server

A printer setting for HP printers drives this issue. Customers may find that, after a few weeks of their server running, these processes start accumulating in Task Manager. These processes eventually will consume the memory on the Application Server.

To stop this from occurring, the customer should go into each of their HP printers on the Application Server (Control Panel > Printers), find the Device Settings tab, and disable the Printer Status Notification setting. A screenshot of the setting is below: