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When a QuickBooks user trying to access a company file that is on an alternate machine, they're faced with the network-related QuickBooks Error H505. It shows that there is an issue with the multi-user mode that is keeping the QuickBooks application from connecting to the remote server. Usually, faulty settings or configuration problems cause this error. In order to fix it and enable users to work together and access the company file without interruption, it could be necessary to modify firewall settings, verify host setups, and guarantee enough network connectivity.For instant assistance contact to our QuickBooks Experts Team at 1.855.738.2784.