Quickbooks Error h202, The issue usually arises when QB Desktop tries to connect to the company file but is unable to do so for one of the reasons given below.
On either the workstation or the server, the hosting settings are incorrect.
In QuickBooks multi-user mode, the firewall system may be blocking the complete communication line.
It's possible that you've made some DNS changes that aren't acceptable.
QuickBooks is unable to connect to the other machines on the network due to some general network configuration problems.
An error happens when a company file is damaged or corrupted.
When the QuickBooks database server manager is not functioning on a Windows PC, the issue also appears.
Causes of QuickBooks Error H202
The error H202 in QuickBooks can emerge due to a number of causes. The main cause of this error can be that the server and QuickBooks are unable to exchange the data due to restrictions by the Windows Firewall.
Other causes for the occurrence of QuickBooks error code H202 may include:
The host setting may not have been correctly configured which may let the error arise.
It can also happen that the .ND file is either damaged/corrupted.
Services like QuickBooksDBXX or the QBCFMonitorService may not be running.
The Database Server Manager of QuickBooks might be facing some problems which may lead to the error H202 in QuickBooks.