2 Primary Remedies for QuickBooks Error 6175 QuickBooks is a popular name in the world of accounts. The application provides one of the best tools and features to various business organizations. One of the most crucial features in QB is the availability of two different working modes – single-user and multi-user. But, several users are facing some challenges while they go from single to multi-user mode. For example, QuickBooks Error 6175 is an error that comes up when the user switches between the modes. Usually, an unidentified glitch in the server leads to such an error, which can be resolved by practicing the solutions given in the blog below.