How to Troubleshoot QuickBooks Error H202 [2022 Tutorial] Seek to turn on the QuickBooks multi-user mode to access the company file stored on the server but fails to do so because of QuickBooks Error H202? If the answer is yes, then let us assure you this post will tell you everything you need to do in this situation. For example, you might be seeing an error warning on the desktop screen stating, “This company file is on another computer, and QuickBooks needs some help connecting.” Usually, such errors occur when QB Database Server Manager, which lets a user switch QuickBooks Desktop to multi-user mode, is not working on the server computer. Nonetheless, numerous other reasons can cause QuickBooks Desktop error H202, which you will get to learn further, along with their troubleshooting ways.