When QuickBooks Desktop is unable to access the company file that is stored on the server, usually in multi-user mode, it displays QuickBooks Error 6175, 0. Operations are disrupted by this error, which is frequently brought on by problems with the QuickBooks Database Server Manager, incorrectly configured hosting settings, unavailable servers, or firewall constraints. The inability to open the company file, sluggish performance, and frequent crashes are some of the symptoms.