Books Handling

Step By Step Guide To Fix QuickBooks Error 6143

QuickBooks Error 6143

What is QuickBooks Error 6143?

QuickBooks Error 6143 typically occurs when users try to open or access a company file within the software. This error can prevent you from accessing critical financial data and cause the program to crash unexpectedly. Understanding the nature of this error is the first step toward troubleshooting it effectively.

Causes of QuickBooks Error 6143

Several factors can trigger QuickBooks Error 6143 in QuickBooks. Identifying the root cause is crucial as it helps apply the most appropriate solution. Common causes include:

  • Corrupted or damaged QuickBooks company files: This is the primary reason for Error 6143. Damage can occur due to improper shutdown of the software or system crashes while the file is open.
  • Network issues: If your network connection is unstable or improperly configured, it can affect file accessibility and lead to this error.
  • Interference from third-party software: Sometimes, other programs running on your computer can interfere with QuickBooks operations, leading to errors.
  • Improper QuickBooks installation or outdated version: An incomplete or improper installation or not updating QuickBooks to the latest version can also cause this error.
  • User permissions: If the user trying to access the company file does not have adequate permissions, Error 6143 may occur.

Step By Step Guide To Fix QuickBooks Error 6143

Here’s a comprehensive guide to troubleshooting and resolving Error 6143, ensuring minimal downtime, and restoring access to your QuickBooks data.

Step 1: Use QuickBooks File Doctor

QuickBooks File Doctor is designed to diagnose and repair common issues with QuickBooks files. Follow these steps to use this tool:

  1. Download and install QuickBooks Tool Hub (if it still needs to be installed).
  2. Open QuickBooks Tool Hub and select the Company File Issues tab.
  3. Click on Run QuickBooks File Doctor. It might take a minute to open.
  4. Select your company file from the drop-down or browse to locate it manually.
  5. Choose Check your file and then Continue.
  6. Enter your QuickBooks admin password and select Next. The scan can take a few minutes.

After the process is complete, check if Error 6143 is resolved.

Step 2: Verify Network Connectivity

Poor network connectivity can cause Error 6143. Ensure your network setup is correct and functioning:

  1. Restart your router and computer to refresh the network connection.
  2. Make sure all cables are securely connected if using a wired network.
  3. Verify all network settings, including IP addresses and network permissions, are correctly configured.

Step 3: Disable Conflicting Software

Sometimes, third-party software like antivirus programs can interfere with QuickBooks. Try disabling these temporarily:

  1. Right-click on your antivirus icon in the system tray.
  2. Select Disable or a similar option.
  3. Specify the duration for which the antivirus will remain disabled.
  4. Try reaccessing your QuickBooks file.

If this resolves the issue, consider adding an exception for QuickBooks in your antivirus settings.

Step 4: Update QuickBooks to the Latest Version

Running the latest version of QuickBooks can resolve many errors, including 6143:

  1. Open QuickBooks and go to the Help menu.
  2. Select Update QuickBooks Desktop.
  3. Go to the Update Now tab and select the updates to download.
  4. Click Get Updates.
  5. After the update, restart QuickBooks.

Step 5: Check User Permissions

Ensure the user has the necessary permissions to access the file:

  1. Log in as an Admin in QuickBooks.
  2. Go to Company > Set Up Users and Passwords > Set Up Users.
  3. Select the user experiencing the error and review their permissions.
  4. Adjust the permissions if necessary and try reaccessing the file.

Step 6: Rename Network Data (.ND) Files

Renaming the .ND files can help in resolving Error 6143:

  1. Open the folder where the QuickBooks company file is saved.
  2. Locate the files with a .ND extension.
  3. Right-click each .ND file and select Rename.
  4. Add “.OLD” at the end of each file name (e.g., company_file.qbw.nd.OLD).
  5. Reopen QuickBooks and try to access your company file.


QuickBooks Error 6143 can be a hindrance, but it can be resolved efficiently with the right approach. Following the steps outlined above, you can troubleshoot and fix the error, ensuring continuous and effective use of QuickBooks for your business needs. Should the problem persist, consulting with a QuickBooks professional may be necessary to delve deeper into more complex issues or file repair needs.

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