QuickBooks Error 6129, 0

Just how to Resolve QuickBooks Error 6129?

QuickBooks Error 6129 takes place when the database connection verification fails, or QuickBooks was looking to access the Company files. The error message can look as ‘Database Connection verification failure’. As a result, you might be not able to Open the business records. If you are already in the network; however, still the error pops up then it's 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 understand the causes that have led to this dilemma. We shall start using the Causes and then move on the solutions.


Reasons for QuickBooks Error 6129 

  • The computers running into the multi-user mode have never updated towards the latest release.
  • There is certainly a mismatch between your 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 evoking the QuickBooks Error 6129 0.

Now we understand the possible causes, so let’s move onto the solutions.

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Approaches to Fix QuickBooks Error Code 6129

Look at the below points into the below-given scenarios:

If you're making a New Company file.

In this scenario, choose ‘leave’ into the Easy step Interview Window. After this, you will get a prompt to truly save the file and select YES here. Choose a different file name and opt ‘Save.’

Note: Ensure to improve the file location. If this modification will not help then check out the clear answer 3 and 4 to amend it. 

If you're opening or upgrading the organization file.

It is possible to open a sample company file to check if the issue is associated with a specific file only. If you see QB Error 6129 that problem is while using the files then apply Solution 2.

Note: Ensure to log in as a Windows Admin before you take the steps mentioned here. 

Solution 1: Rename ‘. ND File’ 

  • Firstly, Open the folder containing the QB company file and locate the.ND file which should be opened and also the users want to ND file that corresponds into the company file. For e.g.- Companyfilename.qbw.nd.
  • Right-click from 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, in the event that QuickBooks is established only using one Computer then open it is possible to open the company file.

Solution 2: Copy Company File to Another Location  

  • Once a unique folder is done, then go right to the folder where the company file is stored. Now copy QuickBooks Error Code 6129 (.QBW).
  • Copying the.QBW is very important
  • The QBW file should be pasted in the folder that was made.
  • If the QuickBooks is employed in lots of computers, then set-up folder permissions. Then add this new folder in QuickBooks Database Server Manager.

How to Setup Folder permissions?

The users can right-click regarding the folder which has had company file and choose Properties. Select ‘Advanced in the security tab.’

Choose QBDataServiceUserXX & choose Edit. Ensure that these settings have been 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 put up permissions.’  

  • Right click on the folder with ‘ the Company ’
  • Choose Properties and then Select ‘’
  • Press ‘Edit’
  • Choose ‘QBDataserviceUserXX’ & then choose ‘Full ’
  • Press Allow
  • Next, choose ‘’
  • Press OK.

Change Folder Permissions

  • Firstly, press Windows +E
  • Now open File Explorer
  • Go to Folder and select Properties
  • Perform these steps for all the folders from the List. Note: ‘Apply to any or all folders’ applies depending on the QuickBooks version.
  • Select ‘Everyone’ into the security tab. However, if everybody is not within the ‘Group’ or even the ‘User name box,’ the users can truly add after which type ‘everyone.’
  • Press OK
  • Next, choose ‘Full Control’ and press ‘Apply.
  • Press OK
  • However, if QuickBooks is used on only 1 computer, you'll be able to open the company file.

Solution 3: Restart Computer in the Safe Mode

If you restart the computer the Safe Mode, then this may stop the third-party application to restrict QuickBooks to operate. You are able to try to disable third-party Anti-virus and security programs temporarily.

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Solution 4: Ensure ‘All computers’ in identical domain
If you use any domain, then contact who may have put up the network.

Hopefully, QuickBooks Error 6129 is fully resolved, and you're smoothly taking care of your QuickBooks. In the event that problem, continues to be persistent and would not disappear completely even with  trying all of the solutions provided above, you can easily call an avowed QuickBooks ProAdvisor Support Phone Number to solve the matter.

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