All that You Should Know to Resolve QuickBooks Error 6123

QuickBooks Error 6123

The innovation of Quickbooks has been powering millions of users. The software is being used for multiple purposes as it eases the account related issues and complexities. But even this software comes with several issues, one of which is QuickBooks Error 6123.

This is one of those errors that occur when you try using Quickbooks in the “multi-user” environment. However, at times this problem gets fixed by following certain commands and other times you will need assistance. Also, you might get a warning window stating, “We’re sorry. Quickbooks couldn’t open your company file. We’ll try to fix this problem. Click Start to begin. So, here is a solution if you land up in the latter part.

What causes QuickBooks Error 6123?

The reason for QuickBooks Error code 6123 can be a lot of things. And before you start troubleshooting the problem. It is important that you figure out the reason for this issue.

  • If there is a slow or interrupted network connection on your main computer.
  • Also, when there is a firewall that’s interrupting the communication between the server having the company files and the workstation.
  • A damaged or corrupt QBW file can also cause this error.
  • If the program files or Quickbooks data is corrupted or damaged due to any reason.
  • When you open the same company file in a newer version of Quickbooks.
  • It can also happen when the Windows user gets damaged somehow.

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How to solve the QuickBooks Error 6123 for a better performance

It is comparatively easier to fix this error if you do all the steps right. Here is what has to be done.

Step 1: Downloading and installing Quickbooks Tool Hub

Tool Hub is a problem solver in Quickbooks so you will have to start by downloading and installing it on your device.

  • Shut down Quickbooks and download the latest version of Quickbooks Tool Hub. And save it to an easily accessible location on your desktop. 
  • Now, open the file you have recently downloaded and then follow all the steps on the screen. Finish the process by ticking the terms and condition’s agreement.
  • Once you are done with all this, simply double-click on the icon of Quickbooks Tool Hub and then open the file. 


Step 2: Now use QuickFix my program feature

Now, you will have to use the feature of this tool hub that will fix the problem.

  • After you have opened Quickbooks Tool Hub, just click on “Program Problems.”
  • Then go to “QuickFix my program” and let the process run. You will have to wait for the progress bar to complete.
  • Once all of this is done, you will just have to check the Quickbooks to see that the issue has been fixed. 

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Step 3: Run the File Doctor

If QuickFix didn’t work, the next resort for you is File Doctor. It will repair your company file by automatically scanning the data issues.

  • For this, you will again have to open Quickbooks Tool Hub, click on “Company File Issues” and then select “Run Quickbooks File Doctor.”
  • When you do that, you will then have to choose the company file from a drop down. 
  • If there isn’t any drop down, just browse it. 
  • Then you will have to select “Check you file” and lastly hit the continue button.
  • There will be another window that pops up in which you will have to enter the credentials and then hit “Continue” yet again. 
  • Once the repair is finished, you will have to select “Open Quickbooks.”



These three steps are going to fix QuickBooks Error 6123 for sure and if it doesn’t- you can take the help from an expert. Our professionals are here to help you out with any such errors related to Quickbooks. For instant assistance, Dial QuickBooks error support helpline number +1(855)-738-0359.