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On a multi-user network, QuickBooks company files (QBW) are
stored on a server computer. All other computers connected to the network (that
don’t host the QBW files) are called workstations. When a workstation fails to
access a company file placed on another computer, it results in QuickBooks Error H202 [xpressadvisor.com].

What causes
QuickBooks Error H202?

QuickBooks error code H202 occurs when QuickBooks Desktop is
trying to establish a connection to the company file, but can’t communicate
with the server due to one of the following reasons:

·        
Incorrect hosting configuration settings.

·        
The server computer firewall is blocking
incoming and outgoing communication.

·        
Conflict with DNS server.

·        
QuickBooks is unable to get the IP address of
the host system or server hosting the company file.

·        
Some internal QuickBooks services like
QuickBooksDBXX or QBCFMonitor aren’t running on the server computer.

·        
The network data file (.ND) is corrupt or
damaged.

If the problem persists despite following all of the above
solutions, you can contact QuickBooks customer support team for help.