The message "QBDBMgrN Not Running on This Computer" indicates that the computer's QuickBooks Database Server Manager service, which is necessary for multi-user access, is not running. This interferes with teamwork. For unhindered multi-user access to QuickBooks company data, users need make sure the service is enabled and installed correctly on the hosting machine. Contact our QuickBooks Experts Team at 1.855.738.2784 for immediate assistance.