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.
Reasons behind to the QuickBooks Error H202
Hosting settings are not configured properly.
Exchange of company data between QB and server is being blocked by the system firewall.
DNS settings are not inappropriately configured.
IP address of the Host or the server is not available to QuickBooks Desktop.
Regards,
Willjoe