QuickBooks H202 Error on the server usually occurs when the server cannot communicate properly with connected workstations in Multi-User Mode. To resolve the issue, verify that hosting is enabled only on the server, restart the QuickBooks Database Server Manager, check Windows Firewall settings, and confirm the required QuickBooks services are running. You should also scan the company file folder using the QuickBooks Tool Hub to repair network-related issues. If the server continues to display Error H202, call +1 (866) 513-4656 for expert troubleshooting and fast resolution.