QuickBooks Pro Error 6123, 0 is a common error that occurs when you try to open a company file in QuickBooks. This error can be caused by various factors, including network issues, damaged company files, or issues with the QuickBooks software. In this guide, we will provide you with detailed solutions to fix QuickBooks Pro Error 6123, 0 and help you regain access to your company file.

How To Fix QuickBooks Pro Error 6123 0?
How To Fix QuickBooks Pro Error 6123 0?

1. Understanding QuickBooks Pro Error 6123, 0:


QuickBooks Pro Error 6123, 0 is an error that occurs when you encounter issues while opening or working with a QuickBooks company file. It may be accompanied by error messages such as “Error -6123, 0: Connection to the QuickBooks company file has been lost” or “QuickBooks is trying to access the company file, but cannot contact the database.”

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2. Causes of QuickBooks Pro Error 6123, 0:


There can be various causes for QuickBooks Pro Error 6123, 0, including:

  • Network issues or firewall settings blocking QuickBooks access.
  • Damaged or corrupted company files.
  • Issues with QuickBooks software installation or updates.
  • Incompatibility between QuickBooks and third-party software.

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3. Precautionary Measures:


Before attempting any solutions, it is important to take some precautionary measures:

  • Create a backup of your company file to ensure data safety.
  • Close QuickBooks and any other running applications.
  • Make sure you have administrative rights to make changes to the system.
  • Note down any important information related to your QuickBooks setup for reference.

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4. Solutions to Fix QuickBooks Pro Error 6123, 0:


Here are several solutions to help you fix QuickBooks Pro Error 6123, 0:

4.1 Solution 1: Run the QuickBooks File Doctor Tool:

  • Download and install the QuickBooks File Doctor tool from the official Intuit website.
  • Run the tool and let it scan your company file for errors.
  • Follow the on-screen instructions to resolve any identified issues.
  • Restart your computer and try opening the company file again.

4.2 Solution 2: Update QuickBooks to the Latest Release:

  • Open QuickBooks and go to the Help menu.
  • Select Update QuickBooks.
  • Click on Update Now and wait for QuickBooks to download and install any available updates.
  • Restart QuickBooks and try opening the company file.

4.3 Solution 3: Disable Antivirus and Firewall temporarily:

  • Temporarily disable your antivirus and firewall programs.
  • Open QuickBooks and try opening the company file.
  • If the error doesn’t occur, add exceptions or exclusions in your antivirus or firewall settings for QuickBooks.
  • Enable the antivirus and firewall after making the necessary changes.

4.4 Solution 4: Rename .ND and .TLG files:

  • Open the folder containing your company file.
  • Locate the files with the same name as your company file but with .ND and .TLG file extensions (e.g., MyCompanyFile.qbw.nd and MyCompanyFile.qbw.tlg).
  • Right-click on each file and select Rename.
  • Add the word “OLD” at the end of the file name (e.g., MyCompanyFile.qbw.nd.OLD and MyCompanyFile.qbw.tlg.OLD).
  • Try opening the company file again.

4.5 Solution 5: Restore a Backup of the Company File:

  • If you have a recent backup of your company file, restore it to a different location.
  • Open QuickBooks and navigate to the restored company file.
  • Verify if the error is resolved.

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5. Additional Tips to Prevent QuickBooks Pro Error 6123, 0:


To avoid encountering QuickBooks Pro Error 6123, 0 in the future, consider the following tips:

  • Regularly update QuickBooks to the latest version available.
  • Create a backup of your company file on a regular basis.
  • Ensure your network and internet connection are stable.
  • Use reliable antivirus and firewall software and keep them updated.
  • Avoid making changes to the company file while it is stored on a network drive.

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6. Frequently Asked Questions (FAQs):


Q: Can I fix QuickBooks Pro Error 6123, 0 myself?

A: Yes, you can try resolving QuickBooks Pro Error 6123, 0 by following the solutions provided in this guide. However, if you are unsure or encounter difficulties during the troubleshooting process, it is recommended to seek professional assistance to avoid any further complications.

Q: Will I lose my QuickBooks data while fixing QuickBooks Pro Error 6123, 0?

A: The solutions provided in this guide should not affect your QuickBooks company file or data. However, it is always advisable to create a backup of your data before attempting any troubleshooting procedures as a precautionary measure.

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7. Conclusion:


QuickBooks Pro Error 6123, 0 can be resolved by following the solutions mentioned in this guide. It is important to understand the causes of the error and take precautionary measures to prevent its recurrence. If the error persists or you need further assistance, consider reaching out to QuickBooks support or consulting with a professional to ensure a successful resolution.

Geeks Jonson : Jonson is a highly skilled accounting specialist and QuickBooks expert with a deep passion for numbers and financial management. With years of experience in the field, Jonson has established himself as a trusted professional known for his exceptional expertise in accounting and proficiency in QuickBooks software. Jonson's comprehensive knowledge of accounting principles, financial analysis, and regulatory compliance sets him apart in the industry.