When a user attempts to access a company file in multi-user mode in QuickBooks, the error "Qbdbmgrn Not Running On This Computer" is frequently encountered. This error message typically indicates that the computer hosting the company file does not have the QuickBooks Database Server Manager operating. Numerous factors, such as erroneous QuickBooks installation, obsolete or damaged files, or problems with the server computer's settings, can cause the error. For instant assistance contact our QuickBooks Experts Team at +1-855-856-0042.