When the program cannot access a company file that is stored on a server, especially when using multi-user mode, QuickBooks Error 6175, 0 occurs. A misconfigured QuickBooks Database Server Manager, server unavailability, firewall constraints, or corrupt company files are frequently the causes of this problem. The first step in resolving this error is to identify and resolve file problems with the QuickBooks File Doctor tool. After that, make sure hosting is enabled solely on the server computer and scan the folder containing the business file to properly configure the QuickBooks Database Server Manager.