Methods to effectively fix the QuickBooks Error 6143

QuickBooks has all the features required to store a company file and create and restore its backups. But sometimes, when users try to access their company files or restore them, they might face QuickBooks error 6143, saying QuickBooks is unable to open the company file. Such an error must be fixed at the earliest as it could adversely affect the workflow of companies. It generally happens due to damage in the company files or .nd and .tlg files. You can try renaming the .nd and .tlg files to rectify the error. This article will familiarize you with the rectification methods for this error, so make sure to go through it until the very end.

If you need to fix the QuickBooks error code 6143 instantly, contact us at 1-855-856-0042 to get assistance from our technical team.

What are the causes responsible for the 6143 error in QuickBooks when opening or restoring a company file?

Reasons responsible for the 6143 error code in QuickBooks include:-

  • Your QuickBooks installation file was corrupted, or the installation was not done properly.
  • The .nd and .tlg files of your QuickBooks software have been damaged and need to be renamed.
  • Something might have caused damage to your QuickBooks company files.

Recommended to read: QuickBooks Keeps Crashing

How can the QB error code 6143 be effectively fixed?

There are certain methods that can be used to effectively fix the QB error code 6143, including:-

Run QuickBooks Database Server Manager after renaming your .nd and .tlg files

Damaged .nd and .tlg files might be the reason behind this error; thus, you must rename them in these steps:-

  • Locate and open the QuickBooks company files folder on your computer.
  • Rename each file with the same name as your company file but which has .ndand .tlg
  • When renaming them, add.old at the end of their names.
  • Now from the official website ofIntuit, install the QuickBooks tool hub on your computer and open it.
  • From theNetwork Issues section of the tool hub, run the QuickBooks Database Server Manager
  • Now to scan your company files, choose the Start Scan
  • Reboot your system and re-launch QuickBooks when the scan finishes.

Use the ADR or the Auto Data Recovery feature of the QuickBooks software.

The ADR, or the auto data recovery feature of QuickBooks, helps users to recover their data, so use it with these steps:-

  • Go to your desktop and create a new folder named QBTest.
  • Nowcopy the files with .tlg extensions from your company files folder and paste them to the QBTest folder you created.
  • Now from the location of your company file, open theQuickBooksAutoDataRecovery
  • Copythe file with .QBW.adr extension to the QBTest
  • Now open the QBTest folder andrename the .QBW.adr file. To rename it, remove the .adr
  • Use the company files saved in the QBTest folder after you open QuickBooks. If the files work correctly, transfer them to the original location.

This is how the QuickBooks error 6143 can be effectively fixed. Keep the QuickBooks tool hub installed on your desktop for faster rectification of errors in QuickBooks. We recommend reading the steps mentioned in this article carefully before executing them. If the error persists, contact us at 1-855-856-0042 to get immediate assistance from our technical team.

Also see: QBDBmgrn Not Running on this Computer Problem


Hi, I am Allan Ramsay, a professional Data recovery Engineer, working with Quickbooks Pro Advisors as a consultant from the past five years in the USA. I am a specialized and trained Cloud consultant who helps a small and medium-sized entrepreneur to track & manage their company file and a database online at any time from anywhere. Contact me at +1-855-856-0042 for QuickBooks Cloud Hosting support and troubleshooting.

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