QuickBooks Error H202 typically occurs when your QuickBooks Desktop cannot connect to the company file stored on another computer. This issue is common in multi-user setups and can stem from incorrect hosting configurations, firewall settings, or network connectivity problems. To resolve this error, check your network connections, ensure that QuickBooks services are running, and verify that hosting is correctly set up. For expert assistance in troubleshooting this error, consider reaching out to QBookAssist, where our professionals can provide tailored solutions to keep your accounting processes running smoothly.