Ways to Troubleshoot QuickBooks Error Code H202

When a QB user tries to access QuickBooks in multi-user mode and the server connection lost or your company file gets corrupted then QuickBooks error code H202 pops up.
It may also occur because the company file is on another device and QuickBooks needs some help to connect it. When a user encounters this mistake, a QuickBooks user can not access a company file that is installed on another device