How To Fix Quickbooks Error 6129?

Quickbooks Error 6129


QuickBooks error 6129 arises when the connection verification of the database fails or when QB is unable to access the company file. The error message will pop up on your screen saying “Database Connection verification failure.” You are not able to open the Company records in this case. If the user is on a network, and still you see an error, then most probably “network problem” is the issue. In that case, the network is unable to locate the server/ computer that has the file.

Causes of error code 6129

Below are some of the factors that can cause this error.

  1. Third-party antivirus can cause this error.
  2. If the company file upgraded to the latest version of QuickBooks with Non-windows admin profile.
  3. Damaged/ corrupted Network data (.ND) file.
  4. If there is a mismatch between the Server and Client domain, then this may lead to QuickBooks error 6129.
  5. If QB is running in the multi-user mode and it is not updated to the newest version.

After knowing possible causes of error code 6129, check out the solutions to fix the error.

Solutions to resolve error 6129

There are numerous solutions to get rid of this error, and some of them are-

Solution 1 – Copy the company file to another location

  1. Create a new folder and move to the folder in which your company file is located. 
  2. After this, copy the error code 6129. 
  3. Make sure that it is important to copy .QBW.
  4. Paste the QBW file in that new created folder. 
  5. Set-up folder permissions if you are using QB in multiple computers. 
  6. In the QB Database Server Manager, add the new folder.

Keep following the procedure to eradicate QuickBooks error 6129.

Setup folder permissions

Follow the below steps to do the same. Make right-click on the folder which has company file and choose Properties. In the Security tab, choose “Advanced.”

Pick QBDataServiceUserXX and click on the “Edit” option. Make sure that all the below-mentioned settings are in allowed mode.

  1. Read permissions
  2. Write extended attributes
  3. Write the attributes
  4. Make folders/ append data
  5. Generate Files/ write data
  6. Read extended attributes
  7. Read the attributes
  8. List folder/ read data
  9. Transverse folder/ execute file

Procedure to modify “not properly set up permissions”

Perform a right-click on the folder with “the Company.”

Pick Properties, and select “.

  1. Click on the “Edit” option and jump to the next troubleshooting step of QuickBooks error 6129.
  1. Select “QBDataServiceUserXX,” followed by “Full.”
  2. Click on the “Allow” option.
  3. After this, select “.
  4. Press on the “OK” button.

Change Folder Permissions

  1. Start the process by pressing “Windows + E.”
  2. Open File Explorer after this.
  3. Move to folder and choose Properties.
  4. You have to implement all these steps for all the available folders on the List. You can click on the “Apply to all folders” option as per the version of QB you are using.
  5. In the Security tab, select “Everyone.” If you don’t find the “Group” option, then you can add and enter “everyone.”
  6. Press the OK tab.
  7. Now, you have to select the “Full Control” option and click on the “Apply” option.
  8. Tap on the OK button.
  9. However, if you are QuickBooks only in one system, then you can open the company file. 

Check out the next solution to deal with QuickBooks error 6129 if it still exists.

Solution 2 – Rename .ND file

  1. In the beginning, open the folder that contains the company file.
  2. Search the .ND file that you want to open.
  3. On this .ND file, apply a right-click.
  4. Click on the “Rename” option.
  5. At the end of the file name, add .OLD.
  6. If the QB software has been used in many systems, then you have to set-up the QB Database Server Manager. 
  7. If the QB software has been used in only one computer, then you can open the company file. 

You can work smoothly after removing QuickBooks error 6129.

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