When there is an issue connecting to the company file or server, QuickBooks Error 2002 appears. Usually, it arises as a result of corrupted firm files, network problems, or improper hosting settings. Verifying server configuration, examining network connectivity, and making sure QuickBooks Database Server Manager is installed and configured correctly are all part of troubleshooting. You can talk to a QuickBooks expert by giving 1.855.738.2784 a call.