QuickBooks Error 6129 happens when the database connection verification fails, or QuickBooks was looking to access the Company files. The error message will appear as ‘Database Connection verification failure’. As a result, you are unable to Open the Company records. If you are already on the network; however, still the error comes up then it is most probably ‘network problem’ where it cannot locate the computer/ server that has the file.
To rectify the QuickBooks error code 6129, it is imminent to know the causes that have led to this issue. We will begin with the Causes and then move onto the solutions.
Causes of QuickBooks Error 6129
- The computers running in the multi-user mode have not updated to the latest release.
- There is a mismatch between the Client domain and Server.
- Corrupted/Damaged (.ND) Network data file.
- The Company file upgraded to the QuickBooks Latest Version with Non-windows admin profile.
- A third -party Anti-virus is causing the QuickBooks Error 6129 0.
Now we know the possible causes, so let’s move onto the solutions.
Updated Solutions to Fix QuickBooks Error Code 6129
Consider the below points in the below-given scenarios:
- If you are making a New Company file.
In this scenario, choose ‘leave’ in the Easy step Interview Window. After this, you will get a prompt to save the file and select YES here. Choose a different file name and opt ‘Save.’
Note: Ensure to change the file location. If this modification does not help then try out the solution 3 and 4 to amend it.
- If you are opening or upgrading the company file.
You can open a sample company file to check whether the problem is related to a specific file only. If you see QB Error 6129 that problem is with all the files then apply Solution 2.
Note: Ensure to log in as a Windows Admin before taking the steps mentioned here.
Solution 1: Rename ‘. ND File’
- Firstly, Open the folder containing the QB company file and locate the.ND file that needs to be opened and the users need to ND file that corresponds to the company file. For e.g.- Companyfilename.qbw.nd.
- Right-click on the .ND file
- Select ‘Rename’
- Add ‘.OLD’ and choose to Example- company file name.qbw.nd.OLD
- If the company file is used on many computers, then the users will set-up the QB Database Server Manager. However, if the QuickBooks is set up only on one Computer then open you can open the company file.
Solution 2: Copy Company File to Another Location
- Once a new folder is created, then go to the folder where the company file is stored. Now copy QuickBooks Error Code 6129 (.QBW).
- Copying the.QBW is important
- The QBW file must be pasted in the folder that was made.
- If the QuickBooks is used in many computers, then set-up folder permissions. Then add the new folder in QuickBooks Database Server Manager.
How to Setup Folder permissions?
The users can right-click on the folder that has company file and select Properties. Select ‘Advanced in the security tab.’
Choose QBDataServiceUserXX & choose Edit. Ensure that these settings are in the allowed mode:
- Transverse folder/ execute file
- List folder/ read data
- Read the attributes
- Read extended attributes
- Generate Files/write data
- Make folders/ append data
- Write the attributes
- Write extended attributes
- Read permissions
Steps to modify ‘not properly set up permissions.’
- Right Click the folder with ‘ the Company ’
- Choose Properties and then Select ‘’
- Press ‘Edit’
- Choose ‘QBDataserviceUserXX’ & then choose ‘Full ’
- Press Allow
- Next, choose ‘’
- Press OK.
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Change Folder Permissions
- Firstly, press Windows +E
- Now open File Explorer
- Go to Folder and select Properties
- Perform these steps for all the folders on the List. Note: ‘Apply to all folders’ applies as per the QuickBooks version.
- Select ‘Everyone’ in the security tab. However, if everyone is not in the ‘Group’ or the ‘User name box,’ the users can add and then type ‘everyone.’
- Press OK
- Next, choose ‘Full Control’ and press ‘Apply.
- Press OK
- However, if QuickBooks is used on only one computer, then you can open the company file.
Solution 3: Restart Computer in the Safe Mode
If you restart the computer the Safe Mode, then this will stop the third-party application to restrict QuickBooks to run. You can also try to disable third-party Anti-virus and security programs temporarily.
Solution 4: Ensure ‘All computers’ in the same domain
If you are using any domain, then contact who has set up the network.
Hopefully, QuickBooks Error 6129 is fully resolved, and you are smoothly working on your QuickBooks. If the problem, is still persistent and did not go away even after trying all of the solutions provided above, you can call a certified QuickBooks ProAdvisor Support Number to resolve the issue.
If you ever feel the need of taking advice from your fellow business owners that happened to be our existing subscribers, you can visit our thriving QuickBooks Community.
