• Hosting configuration settings are not correct.
• DNS server confliction.
• Few internal QuickBooks services may not run on the server computer.
Ways to fix Error H505 and H202:
Testing the network connectivity
• You should first try to ping your server from the workstation, so as to check the network connectivity.
• To know the name of your server, Turn on the ‘Network Discover’ on the server computer as well as on the workstation which is receiving error.
• To ping your server, Type run in the windows and open Run.
• In ‘Run’ you have to typecmd in search box and press enter.
• Enter ping with the server name from the workstation and then click enter.