QuickBooks H202 typically occurs when a user tries to access a company file in multi-user mode but faces issues with the network connection. To resolve this error, ensure that the hosting is properly configured, and the firewall settings allow QuickBooks communication. Verify that the QuickBooks Database Server Manager is installed on the server hosting the company file. Additionally, check the network connectivity and make sure all workstations can ping the server. If the issue persists, consider seeking assistance from QuickBooks support or consulting the community forum for further troubleshooting advice you can also contact our experts by dialing us at +1(855)-738-0359 and we will provide you with instant  technical assistance.