When QuickBooks is unable to access a company file on a different computer, usually in multi-user mode, QuickBooks Error Code H202 appears. Usually, firewall restrictions, poor hosting configuration, or problems with network connectivity are the cause of this error. Verifying network settings, modifying firewall permissions, and making sure the server hosting configuration is correct are all part of troubleshooting. Give them a call at 1.855.738.2784 to talk to one of our QuickBooks experts.