How to Resolve QuickBooks Error code 6123 : Can’t Open Company File Issue

How Do I Fix QuickBooks Error code 6123 - Accounting Helpline

It is no secret that Quickbooks is an amazing and innovative bookkeeping and accounting software. It is being extensively used across the globe for all the features and functions it has on offer. Yet it isn’t away from error, technical glitches, and other problems. Quickbooks error code 6123 is a common issue that is related to the network issue.

This glitch is accompanied by an error message that states “Connection to the QuickBooks company file has been lost.” This problem generally happens when you use the multi-user mode of Quickbooks. In Quickbooks there are some errors that can be solved simply by following the instructions given on screen. But for this error you might need assistance.

What can cause Quickbooks error code 6123?


Generally, the Quickbooks error 6123,0 is caused by any of the given reasons. But in special cases, it is caused due to some other malfunction.

  • Your server computer has a corrupt or slow network connection.
  • There are corrupt or damaged QBW files.
  • It can also be caused due to a damaged Window user.
  • If the program files or Quickbooks Data files are either corrupt or damaged.

How to solve the Quickbooks error code 6123?

One of the best ways to solve Quickbooks error 6123,0 is with the help of Quickbooks Tools Hub. If you have it already, just upgrade to the latest version.

Recommended to read :- QuickBooks Error Code 31600

Step 1: Downloading and installing Quickbooks Tools Hub

If you don’t have Quickbooks Tools Hub, you will have to follow this step. And if you already have the latest version, just head to the next one.

  • Close Quickbooks and download the latest versions of QTH.
  • Save it on your desktop and then double click to open it.
  • Just follow the steps that you see on-screen to install the tool hub.
  • Once the installation finishes, you will just have to double-click on the tool hub icon to launch it.
Step 2: Run the QuickFix my program

This step will help in eliminating the error from your Quickbooks. Make sure you follow it correctly.

  • Go to the Quickbooks Tool Hub and open “Program Problems.”
  • Then you will have to choose the “QuickFix my program.”
  • Let the process get finished; it might take some time. You will have to wait till the progress bar is completed.
  • As soon as it is done, you will have to close the application.
  • Open Quickbooks and check whether the issue remains or has been dealt with.

If you are stuck due to QuickBooks crashing issue and looking for help from professionals give a call on our toll-free number+1(855)-738-0359 and get connected with the certified QuickBooks expert’s team


Is the solution of Quickbooks error code 6123 clear enough? If not, you can contact our Quickbooks experts who are here to help you 24×7. Our support team has many professional and experienced experts who will be happy to assist you through this problem. So, to get a precise, quick, and easy solution, tailed with assistance- you can give a call on our helpline number. It is given on our website!

Visit Blogs Crolls to read our other blogs provide by us

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button