Generally, the error H505 pops up when a user tries to open the company file stored on the server in a network. There are various reasons and misconfiguration that cause QuickBooks to encounter this error like incorrect internet connection settings, messed up firewall settings, outdated Windows applications, IP address errors. The error message that appears after you get error H505 displays “Error Code: H505 This company file is on another computer, and QuickBooks needs some help connecting.” The error also suggests a solution “Here’s how to fix the problem: On the computer where the company file is located, open the start menu, then open QuickBooks database server manager. The database server manager will scan your files and restore the connection.” If you want to learn more about the error then you can click the Tell Me More button. Do you Need Help Resolving QuickBooks Error H505 then call QuickBooks Desktop Technical Support Number (844)-888-4666 Steps to Fix QuickBooks Err