How Do I Fix Error 6129 in QuickBooks

QuickBooks Error 6129

When the database connection verification fails when QuickBooks attempts to access the Company files, quickbooks error code 6129 occurs. “Database Connection verification failed,” says the error notice.

As a consequence, you won’t be able to access the Company’s files. It’s most likely a ‘network issue,’ which means it can’t find the file’s computer or server, even if you’re already connected to the network.

The qb error 6129 0 happens when QuickBooks attempts to access corporate files, and the database connection verification fails.

The QuickBooks user is unable to access the business file as a result of the issue. If the software’s network meets a difficulty, it will not locate the computer or server with the file.

What does QuickBooks Error 6129 mean?

When the database connection verification fails, or QuickBooks fails to load the business files, quickbooks error code (-6129 0) occurs and it’s also Frozen on Remote Desktop.

Due to this error number, you will be unable to load the data from the business file. Error 6129 may also be caused by a network problem or a server that stores corporate data.

The following is a list of all potential reasons for the problem. To fix this error, you must first figure out why it happened in the first place.

Reasons For quickbooks enterprise error 6129

  • In multi-user mode, the computers have not been updated to the most current version.
  • The Client and Server domains are incompatible with one other.
  • This is a corrupted or damaged network data file (.ND).
  • Using non-windows admin profile, the QuickBooks file was updated to the most current version.
  • A third-party anti-virus program can be a cause.
  • A business file was upgraded to a new version of QuickBooks Desktop using a non-Windows Administrator profile.

Before taking the treatments listed below, we recommend attempting a few things:

Condition 1:

The first need is that you are creating a new business file:

  • Select the “Exit or leave” option in the quickest action Interview box.
  • You must be asked to “Save the file,” after which you must choose “Yes.”
  • After that, choose a new file name and click the “Save” button.

Please note that if changing the file name fails, try changing the file’s location.

Condition 2:

Applies if you’re opening or modifying a business file:

  • To start, open a sample business file to check whether the problem is related to it. Try the remedies mentioned below if the issue affects all of your company’s files.

Please note that you’re logged in as a Windows System Administrator before continuing with the instructions in this section.

Troubleshooting of QuickBooks Error Code 6129

To fix error 6129 quickbooks deskto , you may use a variety of troubleshooting techniques. In the sections below, we’ll go through each step in detail.

Before you begin, make sure that all of the computers you’ll be utilizing have the most current QuickBooks version installed otherwise it Won’t Open.

Run Free Virus Scanner & Cleaner

  • To restart the computer, choose Safe Mode.
  • Any antivirus software that is presently active should be disabled.
  • Create a new Company File.
  • Replace the power supply and restart the computer in Normal Mode.
  • Open QuickBooks and the Company File.

Swap the name of Network Descriptor files

  • Firstly, Locate the.ND file in the folder containing the QB company file, and the users must open the.ND file that corresponds to the company file. For instance, consider the filename Companyfilename.qbw.nd.
  • Choose Properties from the context menu when you right-click the.ND file.
  • Select ‘Rename.’
  • As an example, add the suffix ‘.OLD’ to Company File Name.qbw.nd.OLD.
  • If the corporate file is used on several PCs, users will set up the QB Database Server Manager.
  • You can view the business file if QuickBooks is only installed on one computer.

Are you connected to the right network

  • Call a “Network Administrator” or an “IT professional” to connect all computer systems on a single domain.

Always try to Update QuickBooks

QB Desktop may be manually or automatically updated for quickbooks pro error code 6129 0.


QuickBooks downloads and installs the most current updates as soon as they become available when you activate Automatic Updates.

If you choose to handle updates yourself, check for them at least once a month.

Please note that this is not the same as upgrading QuickBooks Desktop to a newer version or edition and updating your company file.

  • Check to see whether you have the latest up-to-date version.
  • When you update to a new version, minor tweaks and improvements are performed. It makes no modifications to your company’s file (s).
  • QuickBooks Desktop should be open at this point.
  • Use F2 (or Ctrl+1) to bring up the Product Information window.
  • Examine the current version and release.

Create an automated updating system

  • From the Help menu, choose Update QuickBooks Desktop.
  • From the drop-down menu, choose the Update Now option. Click the Reset Update option to remove all previous update downloads.
  • Choose to Get Updates to begin the download.
  • After the download is complete, restart QuickBooks.
  • When prompted, choose the option to install the most recent release.

If you don’t want to download updates right now, you may schedule them to download later.

  • From the Help menu, choose Update QuickBooks Desktop.
  • From the drop-down menu, choose the Options option.
  • Select Yes to allow automatic updates. If you want to share automatic downloads with other computers on your network, choose Yes for each machine.
  • Close the window.
  • QuickBooks will download updates as soon as they become available.

Updates to the manual: Get the most current updates first:

  • Close all of your company and QuickBooks files.
  • In Windows, go to the Start menu.
  • On the internet, look for QuickBooks Desktop. When you right-click the icon, choose Run as administrator from the context menu.
  • While on the No Company Open page, go to the Help menu and choose Update QuickBooks Desktop.
  • From the drop-down menu, choose the Options option. Then select Save, and then Mark All.
  • On the Update Now tab, select the Reset Update box.
  • When you’re ready, click Get Updates.
  • After the update is complete, close and re-open QuickBooks Desktop, to apply the changes, choose yes.

After the installation is finished, restart your computer.

Start your PC in safe mode

  • If you restart your computer in Safe Mode, the third-party program preventing QuickBooks from running will be disabled.
  • You may also try temporarily disabling third-party anti-virus and security software.

Back Up and Move a Company File

  • To begin, create a new file folder.
  • To a new folder, drag and drop the QuickBooks Company files.
  • If you’re using QuickBooks on a single computer, go to the new folder and open the QuickBooks Company file.
  • If you’re utilising the same file on several computers, however, go to the next step.
  • To begin, go to Start > Programs.
  • Now go to QuickBooks and choose QuickBooks Database Server Manager from the drop-down menu.
  • Now, choose Scan Folders from the drop-down menu.
  • If you don’t already have a folder for the Company file, click Add Folder to create one.
  • Select the Scan option.
  • Click ‘’ after the scan is finished.
  • Now open the QuickBooks Company file and check to see whether it is operational.

Disable QuickBooks Hosting

QuickBooks Desktop with Hosting protects your data against unauthorized access at any time, from any location, and on any device.

Your whole team is working on the same information simultaneously, regardless of where they are or whether they are using a Mac, PC, or iPad. To get started, here’s what you’ll need to know.


You may view your business file from anywhere using Intuit hosting. Intuit uses the right Networks to power hosted versions of QuickBooks Desktop.

The cloud is referred to as hosting. Your QuickBooks software and data are stored (hosted) in a secure location on an enterprise-level web server.

Instead of utilizing your local network, you may access them via a fast internet connection from anywhere and on any device. By doing this your issues of quickbooks error 6129 0 may be fixed.

Install a digital signature certificate

The procedures for installing a digital signature certificate are as follows:

  • QuickBooks Desktop must be shut off. (If QuickBooks is open, you won’t see the Digital Signature tab.)
  • QBW32.exe is located in the C: Program Files directory.
  • Intuit QuickBooks. Look for it in Windows Search.
  • When you right-click QBW32.exe, choose Properties from the context menu.
  • By selecting the Digital Signature option, choose Intuit, Inc. from the signature list.
  • From the drop-down option, choose Details.
  • In the Digital Signature Details box, click View Certificate.
  • In the Certificate box, click Install Certificate.
  • Keep clicking Next until you see Finish. Finally, click Finish.
  • If required, restart the computer.
  • QuickBooks should be open at this point.
  • Reinstall the update.
  • Check your Internet connection’s settings.

Use QuickBooks Auto Data Recovery Tool

In quickbooks enterprise error 6129, QuickBooks Desktop includes a function called Auto Data Recovery (ADR) that may enable you to restore all or almost all of your data.

In most cases, Intuit Data Services can assist with data recovery.

However, the procedure may take some time, and you may be unable to use QuickBooks for many days as a result.

The ADR may help you recover lost or damaged data more quickly. However, please note that it should only be utilized after all other options for troubleshooting have been exhausted.

ADR can assist you in retrieving your lost file by:

  • Using your current Transaction Log file and a copy of your Company file, you may recover lost transactions.
  • Using a duplicate of both your Company and Transaction Log files, you may restore everything except the latest few hours of transactions.

Fix date and time settings

Adjust the date and time by right-clicking on time in the bottom-right corner of the screen:

  • A window will open.
  • Select the Date & Time tab on the left side of the window.
  • Then click Change under “Change date and time.”
  • Change the time after entering it.


In conclusion, QuickBooks Desktop software is accounting software that different bookkeepers and accountants have always regarded in this world of organizations and big multinationals companies.

This blog will learn about the quickbooks error 6129 0 and the different causes and fixes related to the same, so please read the whole blog very carefully and help yourself fix this error manually.

I hope that this blog helped you and was worth a read.

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