How to Fix QuickBooks Error 6129 (QB Database Connection Failure) [sg_popup id=4743]

You might see QuickBooks Error 6129, 0 while verifying the database connection fails or QuickBooks tries to access the company  files. When this error comes up QuickBooks might not be able to open the company file. You might have a network problem and this can come up with this error. 

Error Code: 6129 0
Error Message: Error 6129 0: QuickBooks has encountered a problem and needs to close. We are sorry for the inconvenience.
Appearing In: QuickBooks Desktop
QuickBooks Error 6129, 0

What can be the reasons that results in QuickBooks Error 6129, 0?

Let us find some of the main reasons that can result in the occurrence of Error 6129,0 in QuickBooks: 

  • The computers that are being used in multi-user configuration mode might not be using QuickBooks latest version. 
  • The data files may not be corrupted. 
  • There is a mismatch between the client and server domain. 
  • Company files might be upgraded to the new version of QuickBooks using a non-windows Admin profile. 
  • Damaged .ND files 

Also Read: Learn to create a Purchase Order in QuickBooks Online

What can be done to resolve QuickBooks error 6129, 0?

Let us see and understand some of the quick ways to fix quickbooks error 6129, 0. Check out these methods: 

Condition 1: Creating new company file

  • You can choose the Exit or leave option from the easy action interview window. 
  • You should click on “Save the file”, select Yes. 
  • You should enter the different file name and click on save. 

Important: You can try to transform the file location if the file name change does not work. 

Condition 2: If you open or update the company file.

You should open a sample company file so as to recognize if the problem is related to the file or not. 

If the issue exists to all the company files, then you can try the methods that are mentioned below:

Solution 1: Login as window Administrator

  • Open the company file and login to the windows as System Administrator and then you should update the company file.
  • If you are not able to login as an Admin and get support for windows or you can reach out to IT professionals. 
Solution 1: Login as window Administrator

Also Read: Quickbooks Premier 2020- Upgrading Accounting Software

Solution 2: Disabling Antivirus to fix Error 6129, 0 in QuickBooks

  • You should restart the computer in safe mode.
  • You must disable the antivirus software that is active. 
  • You must create a new company file.
  • Once it is done, you should restart the normal mode. 
  • Proceed to open the QuickBooks followed by the company file.

Solution 3: Renaming QuickBooks Network Data files

  • Open folder that has the company file. 
  • You must look for the hard drive or the system for the files ending with .ND extension. 
  • Continue to rename the file and this can be done by right clicking the file. 
  • At the end of the file, type .Old 
  • If the same file is present on multiple computers, then the same process should be followed in all the systems. 
  • If the file is present on only one computer, then the file can be opened directly.
  • Next, you must reach the program option followed by opening QuickBooks Database 
  • Choose the Scan folders tab. 
  • Move to the New folder option followed by choosing Scan option.
  • Move to the Close option and open the company file option.

Solution 4: Moving the file to a different location. 

  • To begin, you have to create a New folder and proceed to move the QuickBooks Company file to the new folder. 
  • If the company file is present on the multiple systems, then move to the next steps: 
  • Reach the windows start option,then move to the QuickBooks database server manager. 
  • Choose the Scan folder and then move to the Add new folder option from here. 
  • Click the Scan option followed by clicking on the Close option. 

Solution 5: Make sure all connected computers work on a single domain. 

It is to make sure that all the connected  computer systems are on a single domain and for this you should reach out to Network Administrator or an IT professional for the same. 

To Conclude!!

We hope the article proved helpful in troubleshooting QuickBooks Error 6129, 0. But if the error 6129, 0 is still bothering you, feel free to connect with the experts of QuickBooks Support QBS Solved at +1(888) 910 1619.

Also read:

Resolve QuickBooks update Error 12007 in Easy Steps 

Resolve QuickBooks Error 1723- “Windows Installer Package”

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