This article is intended to guide QuickBooks users on resolving an error in QuickBooks that displays an error message that reads “QuickBooks Database Server Manager Network Diagnostics Failed”. Along with the solutions to the error users will also find some of the top reasons that triggers such errors in the database server manager while running QuickBooks in multi-user mode. For complete info we suggest you follow the entire article until the end. For additional help and assistance resolving the error you can reach us at our QuickBooks Desktop Technical Helpline Number (844)-932-1139.