QuickBooks error H202 is an error associated with QuickBooks multiuser operational mode. It occurs when a user tries to access a QuickBooks company file placed on another computer, and her copy of QuickBooks cannot reach the server on that computer. Many users have reported that while trying to open a QuickBooks file in multi-user mode they were confronted with the message: “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)”