QBDBMgrN not running on this computer occurs when a user tries to use the QuickBooks software in a multi-user mode but unable to do so due to misconfigures QuickBooks Database Server Manager failed to start. Windows firewall unsuitable configuration might be the issue or some problem in.ND files. To solve this error configure the server settings and update the windows firewall.
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QBCFMonitorService Not Running on this Computer error appears on the screen rarely. However, the reason for such is QBCFMonitorService is disabled. If you are trying to fix but not sure where to start then the following article will assist you to stop the error.