Qlik NPrinting June 2018 or higher. Do not apply to previous versions.
NOTE: Please ensure to back up the scheduler.config file before proceeding
Stop the NPrinting services on the NPrinting Server. Please stop all NP engines if installed on different server computers.
Make a copy of "C:\Program Files\NPrintingServer\NPrinting\Scheduler\scheduler.config"
Launch Notepad as an admin and edit "C:\Program Files\NPrintingServer\NPrinting\Scheduler\scheduler.config"
Add the following key: <add key="force-unused-resolvers-closure-policy" value="1" /> right before the final </appSettings> line
Save the file and restart all the NP services.
Please restart all NP engines if installed on different server computers.
Note: Config file changes are overwritten upon upgrading NPrinting. Please apply these changes again after upgrading if the issues persist. We recommend to follow this article in case the problem persists.