The QuickBooks error H202 happens when you try to access the company files which are located on another computer. Or this error also appears when the QuickBooks software on your computer finds it unable to communicate with the server. If you are irritated with the error and don’t know how to fix it then you must try to perform some troubleshooting or get in touch with QuickBooks customer support where the team of technical experts will rectify the error in the stipulated time frame.