QuickBooks is considered as one of the finest accounting software in the industry. But it is quite prone to errors due to various reasons. QuickBooks Error 6129, 0 is a common error that halts your work and thus, increases time consumption. You will find that this error displays when the verification of the database connection file fails. You will not be able to open the company file. First of all, check if there is a network problem that is being used by the software, then it will not be able to find the computer or server. fix the QuickBooks Error 6129, 0 then you can contact our QuickBooks Enterprise support team on our toll-free number +1-888-368-8874 and get guidance to resolve this issue. Read more..............