How to fix QuickBooks desktop error code -6129, 0

QuickBooks is a business accounting tool that is extensively used by a variety of businesses to help them manage sales, expenses, and everyday operations. QuickBooks has a wide range of products that are ideal for everyone from individual assistants to mid-sized businesses. This will enable them to be more effective in their accounting tasks, such as billing clients, paying bills, creating planning reports, and filing tax returns, among others.

However, the platform could still encounter problems that have a significant impact on its performance. When attempting to create a new corporate QuickBooks file, as well as when opening an existing file, some customers have reported obtaining the error code -6129,0. In this article, we’ll go through what the error code signifies, what causes it, and what solutions are available to quickly fix the problem.


  • This issue also implies that numerous users have access to the files and are preventing the user from connecting.

Error Message:

  • Database connection confirmation failure follow the Error code: -6129, 0


  • Software errors are prevalent and can be caused by a variety of factors. When typical problems develop, these bugs might disrupt your accounting work and eat up significant time. Here are a few possible causes for this issue:
  • If the antivirus is running on your system when creating a new file.
  • If the data files on the network are corrupted.
  • If you’re updating your business files from an older version of QuickBooks without logging on to your Windows system with your administrator’s ID.
  • If the domain of the client computer differs from the server domain.


  • To minimize problems and confusion in an accounting job, follow the directions carefully and precisely.

Solution #1: Confirm that all computers belong to the same domain.

  • An IT professional manages a domain, which is a form of computer network.
  • Please contact the person in charge of setting up your network if you are utilizing a domain.

Solution#2: Renaming QuickBooks Network Descriptor Files.

  • Find. nd. Files on your hard drive that contain the QuickBooks corporate file share.
  • Select Rename from the context menu of the Network Descriptor file with the name of the QuickBooks corporate file.
  • If you enter a file name, click Enter; otherwise, you will be asked to enter the file name: Company file name.qbw.nd.OLD. (Follow these instructions if you find the file on different platforms.)
  • You can immediately open the company file if you are using QuickBooks software on the same PC.
  • Select Programs QuickBooks database server management from the Windows Start menu.
  • Click Scan Folder.
  • Click Add Folder to add the folder containing the company file if it isn’t already there.
  • Select Scan.
  • Click Close after you’re done scanning.
  • Launch the QuickBooks program.

Solution #3: Use Safe Mode to restart your computer.

  • A third-party application will not be able to block QuickBooks Desktop from working if you restart your computer in Safe Mode.
  • You can also try turning off your antivirus or third-party protection software for a while.

Solution #4: Make the Service Active

  • Make sure all QuickBooks is closed before beginning.
  • To open the execution request, press Windows + R.
  • To open the Service Management window, type services.msc and click Enter.
  • Scroll down to the QBFCMonitorService entry and double-click it.
  • Select Automatic from the Start Type drop-down menu.
  • To start the service, click the Start button.
  • The same applies to all QuickBooks-related services.
  • Check to see whether the issue still exists.

Solution #5: Log in as an administrator in Windows.

  • Open a different company file. You must be logged in as an administrator to update the company file.
  • Contact Windows Support or an IT professional for assistance if you do not have an administrator’s login.

Solution#6: Create a new folder and move the corporate QuickBooks files there.

  • Create a new folder.
  • In the last folder, you created, modify the corporate QuickBooks files.
  • There’s no need to open the corporate QuickBooks file with the new folder if you’re using QuickBooks on your computer.
  • You must proceed to the following step if you are accessing the same file on your computer.
  • Click Programs, then QuickBooks, then the QuickBooks database server manager from the Windows Start menu.
  • Select Scan from the drop-down menu.
  • If there isn’t a company file in another folder, select Add Folder to create one.
  • Select Scan from the drop-down menu.
  • Select the Close option once the scanning is finished.
  • Finally, launch the QuickBooks program.

Conclusion:  Those solutions mentioned in the article will undoubtedly assist you in getting your QuickBooks business back on track.