An effective method to troubleshoot QuickBooks Error H505

When the configuration settings of your host computer are set incorrectly, the QuickBooks Error H505 might come up. A quick way to resolve this is to disable the multi-user access on the host computer. Or you could also verify the firewall port settings. In case this does not help you out, you can go through our blog below or contact a certified pro-advisor at 1.855.738.2784 for quick and easy solutions.