How to Fix QuickBooks Error Code 6189, 816?

How to Fix QuickBooks Error Code 6189, 816

Intuit QuickBooks is a versatile platform that provides both on-site accounting options and cloud-based operations. It is designed for ease of use, making it accessible to users of varying accounting expertise. However, despite its robust security measures, the application can occasionally encounter error situations, such as the “QuickBooks Error Code 6189, 816.”

What is QuickBooks Error Code 6189, 816?

The QuickBooks error codes 6189, 816 are run-time errors encountered while launching QuickBooks Desktop or accessing a company file (.QBW) in a multi-user network environment. Despite the accompanying message providing some information, users often struggle to identify the precise cause and resolve the issue effectively.

What Are All the Possible Reasons for QuickBooks Error Code 6189,816 on Desktop? 

There are many potential causes for this error:

  • Attempting to access a QuickBooks file already in use by another user or service.
  • Incomplete QuickBooks installation or corrupted QB software link download.
  • Lack of read or write permission for the folder containing the file
  • Incorrect or incomplete QuickBooks installation leads to incorrect Windows registry entries.
  • Malware or virus attack corrupting QuickBooks program files in the system.
  • Corruption in Windows registry due to a recent QuickBooks programming change.
  • Discrepancy between the exchange log record (.TLG) and the organization document (.QBW).
  • In Single User Mode, other clients accessed the organization record.
  • Using an old or pirated copy of Windows.
  • Accidental deletion of important drivers necessary for QuickBooks operation.

What are the Solutions to Fix QuickBooks Error Code 6189, 816 on Desktop?

QuickBooks Error Code 6189, 816 Resolutions:

Solution 1: Fix the Company File using QuickBooks Tools Hub

The QuickBooks Tools Hub is a helpful resource that can assist in resolving common errors, including company files and network issues. To utilize this tool, follow the steps below:

Step 1: Download and Install QuickBooks Tools Hub

  1. Exit the QuickBooks application.
  2. Download the QuickBooks Tool Hub file (QuickBooksToolHub.exe).
  3. Save the downloaded file in an easily accessible location (such as the Windows desktop).
  4. Open the downloaded file.
  5. In the window that appears, follow the provided steps to install the tool.
  6. To open the tool, double-click the icon on your Windows desktop once the installation is complete.

In case you’re struggling to locate the icon, open the search bar in your Windows operating system, type “QuickBooks Tool Hub,” and select the relevant program from the search results.

QuickBooks Tool Hub

To resolve QuickBooks Error Code 6189 and 816, follow these steps:

  1. Go to Program Problems in the QuickBooks Tools Hub.
  2. Select Quick Fix My Program.
  3. Start QuickBooks Desktop and open your .QBW data file.

Proceed to the next solution if the error persists.

Solution 2: Restart Your System

  1. Restart the server computer that has QuickBooks software installed and is hosting your company files.
  2. Restart each workstation except the server computer in the multi-user environment.
  3. Open QuickBooks Desktop on the server computer and each workstation.

Proceed to the next solution if the error persists.

Solution 3: Update QuickBooks Version

Consider updating your QuickBooks Desktop software to the most recent version to resolve QuickBooks error code 6189. Outdated software versions may lead to this issue. Open or create the company file after updating QuickBooks to the latest release.

Solution 4 – Run QuickBooks Database Server Manager

  1. When you experience an error due to the instability of a multi-user network and are hosting your QBW file on your server computer, running ‘QuickBooks Database Server Manager‘ may resolve the issue.
  2. In the QuickBooks Tools Hub, select ‘Network Issues.’
  3. Choose ‘QuickBooks Database Server Manager.’
  4. In the QuickBooks Database Server Manager window, locate your company file(s) and click ‘Start Scan.’
  5. Your firewall permissions will be automatically repaired by QuickBooks Database Server Manager.
  6. Once the scan is complete, click ‘Close.’
  7. Open QB Desktop on the server computer and workstations.

Solution 5 – Rename the Network Data File (ND) and Transaction Log File (TLG)

ND and TLG configuration files allow QuickBooks to access a QBW file in a multi-user environment. If these files are damaged or corrupt, errors 6189, and 816 may occur.

The files can be automatically recreated by rescanning them using QuickBooks Database Server Manager and opening the company file. If the files are recreated, renaming ND and TLG files may resolve the issue.

Here are the steps on how to rename the ND and TLG files:

  1. Open the folder containing your company file.
  2. Find the files with extensions.ND and .TLG have the same name as your company file. For example:
  • company_file.qbw.nd
  • company_file.qbw.tlg
  1. Right-click each file and select “Rename.”
  2. Re-open QuickBooks and try signing in to your company file. If the error persists, try the next fix.

Solution 6 – Check where your QuickBooks Company Data File (QBW) is Stored

To avoid any potential issues, make sure your QuickBooks company file (.QBW) is not stored on a removable pen drive or hard disk. If you are using online backup files for QuickBooks, the issue may persist. Ideally, you should move the .QBW file to your local hard drive, such as your desktop. This will ensure that the file is readily accessible and minimize the risk of data loss or corruption.

Solution 7 – Verify QBDataServiceUser Permission

  1. For your version of QuickBooks, ensure that QBDataServiceUser has the correct permissions.
  2. Copy the QBW file to the desktop and open it directly from there.
  3. If the file opened successfully, the folder where the original QBW file was saved may be damaged

Solution 8 – Repair QuickBooks Company File

Try to login using any other user credentials. If it is successful, then there is data damage and you will have to resolve it by repairing QuickBooks.


While manual fixes can sometimes resolve QuickBooks error code 6189, 816, they may not always be effective for complex cases. For such situations, consider using an automated solution like Stellar Repair for QuickBooks Software. Additionally, regularly backing up your QBW file (QuickBooks company file) is recommended as it contains critical financial information.

Related QuickBooks Errors & Solution:

QuickBooks Error 6123QuickBooks Error -6177, 0
QuickBooks Error -6000,-83QuickBooks Error -6150,-1006


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