How can you fix QuickBooks Error 6129?

Published by John Smith at February 20, 2019

Defining QuickBooks Error 6129

QuickBooks error 6129 happens when the database connection verification gets failed or QuickBooks fails to load the company files. You will not be able to load the company file data because of this error code. Furthermore, you may also get the error 6129 due to the network issue or server holds the company files. Below, we have mentioned all the possible causes that may give rise to the same. In order to get rid of the same, you are required to understand the root causes of the error.

Symptoms of QuickBooks Error 6129 0

Following symptoms can appear when QuickBooks Error Code 6129 occurs –

This error appears and crashes an active program window.
Your computer frequently crashes with QuickBooks error 6129, on running the same program.
Sluggish window functioning and mouse/ keyboard response are
Computer freezes periodically.

What are the Causes of QuickBooks Error 6129 0?

The following reasons can lead to QuickBooks Error 6129 0 –

Creating another record and simultaneously the Anti-virus is running in the system.
Whenever you have corrupted network data document
While updating company files from old QuickBooks without using Admin login details needed for the windows login
The domain server and client machine do not match
A malfunction in your system operation
Incorrect/failed installation
While Uninstallation
Invalid entries in the Windows registry
A virus/ malware attack
Improper system shutdown because of power failure.

Solutions to Fix QuickBooks Error 6129

Solution 1 – Use different file name

If in case, the error occurs during new company file creation –

Firstly, you have to choose to Leave in the Easy Step Interview window.
Now, save the file.
Type a different name for the file.
Click on the Save button.
If this solution does not work, try solution 2 or 6.

Solution 2 – Make another folder and go to QuickBooks Company files.

Firstly, create another file folder
Select QuickBooks Company files to a new folder
If you are using QuickBooks on one system, Open the QuickBooks Company file via the new folder.
However, if you are using the same file on multiple computers then carry out the next steps.
First, Click Start
Choose Programs
Now click QuickBooks and select QuickBooks Database Server Manager
Now, press on Scan folders
If you do not have a folder that has the Company file, then Click Add Folder and add it.
Press on the Scan option
When the scan is complete, click ‘’
Now open the QuickBooks Company file and see whether it is working or not.

Solution 3 – Turn off ANTI-VIRUS while using Safe mode

Without changing the safe mode, Restart the computer
Turn off the Running Anti-virus software
Now create another company file
Keep the system in a normal working mode
Restart computer
Open QuickBooks and open the company files.
Check whether QuickBooks Error 6129 0 is appearing or not.

Solution 4 – Now rename QuickBooks network data files (.ND) files

Look for (.ND) files in your various QuickBooks
Rename the file- to do so first right click on the old name of the company file and select ‘’
Enter ‘.OLD’ at the end of the file name and press ENTER
You can open the company file now if you use only one computer. However, to access the same company file on various computers follow the below steps.
Firstly, click Windows start option
Now press on Programs and choose QuickBooks
Click the QuickBooks Database Server Manager & press on the ‘Scan folders’ option
If you do not see any folder that has a company file, then click ‘Add folder’ to add it.
Click Scan, and when the scan is completed, then close it.
Now open the Company file and see if QuickBooks is functioning or not.

Also Read: How to use QuickBooks Component Repair Tool?

Solution 5 – Make another envelope & explore QuickBooks Organization documents

Firstly, create another Record Organizer
Now put the QB organization documents in the new envelope
Press Start and go windows and choose Programs
Press on QuickBooks
Choose QuickBooks Database server manager
Click ‘ Scan Folders’
If you do not see any organizer that has the organization document, then Press on Add folder and put it in.
Now click ‘Scan’ and choose ‘Close’ when output is complete
Now open the company document and see if you are getting QuickBooks Error 6129.

Solution 6 – Put all computers on the same domain

Get all the computers on the same domain and check whether QuickBooks error code 6129 is appearing or not.

To sum up

Finally, we suppose that you have fixed QuickBooks Error 6129 after applying any of the solutions. We always recommend updating the QuickBooks software before attempting the above-mentioned solutions. There is a probability of facing issues while resolving the error 6129. If you are also going through the same, get connected with our team of professionals. They know all the ways to troubleshoot all the issues related to the software. So ring us today at QuickBooks Error Support Phone Number 1-855-365-6O12.