Step By Step Fix QuickBooks Error 6129, 0 A 6000 series error, QuickBooks error 6129, 0 interrupts and interferes with a user's procedure. The mistake could arise out of nowhere and need to be troubleshooted right away in order to get back to work. Use this blog as a reference for a thorough analysis and instructions on how to resolve QuickBooks error 6129. A user's easy way to access all business information in one location is made possible by the QuickBooks company file, which keeps all of a business's financial data. Users of QuickBooks occasionally run into problems while opening or starting a new company file. The problems with the company file are connected to the QuickBooks 6000 series of faults. What is QuickBooks Error 6129, 0 It is best to first comprehend the nature of this issue before moving on to the elements that cause it and their solutions. In reference to QuickBooks error code 6129 , this error occurs when the database connection verification process is u...