QuickBooks Error H202 – How to Resolve Multi-User Mode Issues Quickly .If QuickBooks closes unexpectedly, call a QB support team at 1.855.738.2784. This can cause annoyance and delay your job. When a user attempts to view a company file in multi-user mode but QuickBooks is unable to connect to the server, the error H202 occurs. Usually, network problems, firewall restrictions, or improper hosting settings are the root cause of this problem. It can be fixed by enabling QuickBooks Database Server Manager, adjusting network settings, and confirming firewall rights. URL :https://roywill.alboompro.com/post/practical-fixes-for-quickbooks-error-h202