Troubleshooting Toolkit to Fix QuickBooks Error 6123 QuickBooks is an invaluable tool for businesses who want to streamline their financial management and bookkeeping tasks. But sometimes, like any software, it also ends up showing errors. One such error that users get is QuickBooks Error 6123. This error occurs when you try to restore a company file from a backup, open a company file over a network, or upgrade a company file to a newer version of QuickBooks. The error message usually reads, "Error -6123, 0: Connection to the QuickBooks company file has been lost" or "problem connecting to the server." It may also show an apology message on the screen. In order to continue using the software again without errors, it is extremely important to fix this error. Do not worry; we will help you in resolving the error. Let's get started. We have created this comprehensive guide to help you fix the error on your own, but in case you need our assistance, feel free to call 1.855.738.2784 and get immediate help from certified QuickBooks experts. Reasons behind QuickBooks Error Code 6123 We have listed down all the possible reasons that can trigger the error. • A damaged or corrupted company file can be one of the primary causes of Error 6123. • Incorrect firewall or antivirus settings can also interfere with QuickBooks operations, leading to this error. • If the QuickBooks installation is incomplete or damaged, it can trigger error 6123. • If you are using an outdated version of QuickBooks, this error can also be triggered. • Issues with the network connection, such as poor network setup or instability, can also trigger the error. • If you are trying to access, edit, or delete the company file without having sufficient permission, this error can arise. Solution to Eliminate Error 6123 0 in QuickBooks Effectively Before jumping to the given solution directly, first make sure to update your QB application. Here are the detailed steps that you can implement to fix the error. Solution: Fix the Error by Verifying and Rebuilding Data Utility You can use the Verify and Rebuild Data utility within QuickBooks to detect and repair any errors that might be affecting the proper functioning of the company file, and it also helps maintain the accuracy and integrity of your financial data. • Open your QuickBooks Desktop software. • Click on the "File" menu. • Look for the "Utilities" option in the dropdown menu. • From the Utilities menu, select the "Verify Data" option. • After running the Verify Data utility, it will display any errors found in your QuickBooks file. • To resolve these errors, you need to rebuild the data file. • Return to the "File" menu once again. • Under the "Utilities" option, select the "Rebuild Data" utility. • Follow the prompts to run the Rebuild Data utility. • This process will help in resolving and fixing the identified errors in your QuickBooks file. Following the solution mentioned above, you can fix QuickBooks Error 6123. However, if the error persists, seek professional help by dialing 1.855.738.2784 to ensure smooth QuickBooks operation for your business.