Effective Ways to Fix QuickBooks Error 6129 QuickBooks Error 6129 happens when a database connection problem or improper network configuration prevents the program from accessing the company file. It frequently shows up while opening files in multi-user mode or when creating new ones. Verifying the database server's operation, file permissions, and network settings are necessary to fix this error. Are issues with QuickBooks harming you? Contact a specialist by calling 1.855.738.2784. URL:https://enterprisesupportnumber.godaddysites.com/f/effective-remedy-to-resolve-quickbooks-error-6129