"QBDBMgrN is not running on this computer": QBDBMgrN is a QuickBooks service that allows?multi-user access to the company file. However, users may encounter an error message stating that QBDBMgrN is not running on their computer. This error usually occurs when the service is not started or encounters issues during startup. It can disrupt multi-user functionality, preventing users from accessing the company file simultaneously. Resolving this issue requires starting the QBDBMgrN service manually or troubleshooting any underlying problems that may be preventing its proper functioning. QuickBooks support can provide guidance and assistance in resolving this issue. For instant assistance contact to our QuickBooks Experts Team at 1.855.738.2784.