The message "QBDBMgrN Not Running On This Computer" denotes a problem or an inactive QuickBooks Database Server Manager. Multi-user access to QuickBooks files is hampered by this. Restarting the service or performing troubleshooting to fix the Database Server Manager's underlying issue are the two methods for fixing this. If you require quick help and guidance, don't hesitate to contact the QuickBooks Support Team directly at 1.855.738.2784.