QuickBooks error 6129 occurs when you try to access a company's financial records and the database connection verification fails. An error can occur if QuickBooks cannot connect to the server and cannot access company files. The error message "Error message: Failed to verify database connection. QuickBooks error code 6129 0" suddenly appears on the screen. There are various reasons for QuickBooks 61290 to explain in this post and fix it with the most effective solution.
