"Qbdbmgrn not running on this computer" indicates that the QuickBooks Database Server Manager service isn't active. This issue can prevent multi-user access to company files. To resolve it, restart the service or configure your firewall settings. For detailed instructions, visit our support page.

URL: 

https://techcommunity.microsoft.com/t5/windows-11/how-to-fix-qbdbmgrn-not-running-on-this-computer-windows-11/td-p/4125804