QuickBooks multi-user mode error H202 occurs when the workstation fails to communicate with the Company file, and thus, the user won’t be able to access the company file. An error message will appear on your screen when you try to use QuickBooks in multi-user mode. It states: “You are trying to work with a company file that is located on another computer, and this copy of QuickBooks cannot reach the server on that computer. (H202)”