QuickBooks Error H202 is a common issue that arises in multi-user mode when a workstation cannot connect to the company file hosted on a server computer. This error message prevents users from accessing shared QuickBooks files, disrupting business operations and productivity. Main Causes of QuickBooks Error H202 Several factors may trigger QuickBooks Error H202, including: Network Issues: QuickBooks can’t communicate with the server due to network configuration errors. Incorrect Hosting Settings: Hosting should only be enabled on the server, not on any workstation, to prevent access conflicts. Firewall Blocking: Firewalls or antivirus programs may block QuickBooks from connecting to the server. Damaged QuickBooks Database Server Manager: An outdated or malfunctioning Database Server Manager may fail to connect workstations with the server. Solutions for QuickBooks Error H202 To resolve Error H202 and regain access in multi-user mode, try the following steps: Run QuickBooks Database Server Manager Open the QuickBooks Tool Hub, select Network Issues, and run the Database Server Manager to scan and repair network connectivity issues. Verify Hosting Settings On the server, go to File > Utilities and select Host Multi-User Access. On workstations, ensure this option is off to avoid hosting conflicts. Configure Firewall Permissions Adjust firewall and antivirus settings to allow QuickBooks access by enabling specific QuickBooks ports (8019, 55378, 56728, etc.). Ping the Server Run a ping test on the workstation to confirm network stability. A successful ping indicates network availability. For expert help resolving QuickBooks Error H202, reach out to QuickBooks support at +1-800-845-9666 for personalized assistance.