This error appears when you create an original and new QuickBooks company file. The same error also occurs when you open an already available file:

Error message: Database connection confirmation failure follow the Error code: -6129, 0

Why this error occurs?

There are many reasons that may create this problem:

How to resolve the problem?

You can resolve this issue by performing many solutions recommended by Intuit. Your problem may be resolved with the solution 1, or it may be necessary to practice all available solutions to fix the problem. You must perform these solutions orderly so that you may get excellent results.

Solution 1: If you get this error while trying to update the company file.

At first, open a new file to check if this error appears on your company file or it is with all other company files. You will use your Administrator login details to login to the Windows and update the file. If you cannot log in using your own Administrator login details, you can get technical help for the Windows.

Solution 2: You can perform this solution when you experience Easy-Step Interview

Solution 3: If you use Safe Mode on Windows, Disable antivirus

Note: Never use Internet connection when you disable the running antivirus software. You must disconnect your system from Internet connection before you disable running antivirus software. As soon as you complete this process performing the following steps, you can re-enable antivirus software without re-connecting your system to Internet.

Solution 4: Rename the QuickBooks Network Descriptor files

Solution 5: Create another folder and navigate the QuickBooks company files

Solution 6: Be sure that all computer system are working on one domain

You should contact a Network Administrator or an IT expert to add your computer systems to the domain.

If this recommended solution does not fix the problem, please visit Intuit QuickBooks Community website where you can post messages, read the discussions and put your questions related to the error you have been experiencing. If you want to get technical support, you can contact Professional IT person but it may apply charges.