Here’s the Best Guide to QuickBooks Company File in Use Error

by Roman Wilmar

QuickBooks company file in use error is very common in QuickBooks. If you try to access a company file that is already open on another computer and get the error message “company file is in use”, you need to understand that various causes can trigger the error. You will need to find the most effective troubleshooting method based on the error’s cause. The information given below will help you understand the causes and the solutions to the error. Read the complete article to know more.

If you are stuck with the error and looking for technical assistance to immediately resolve the error, dial 1-855-856-0042 and get help from a QuickBooks Professional.

What Triggers Company file in use error?

  • The QuickBooks Database Server Manager on your computer stopped running.
  • The third-party applications are blocking the background processes of QuickBooks
  • The multi-user settings on the server and other workstations may be incorrect.

The most common causes of the error are listed above. You need to figure out what is causing the error on your computer and then determine the most relevant solution to fix it.

How to fix Company File in use Error?

Check the multi-user hosting settings on all the workstations

If wrong hosting settings are the cause of the error, you need to change the hosting settings on all the workstation. Follow the steps listed below to check the hosting settings:

  • Open the QuickBooks app in all workstations.
  • Select the File menu.
  • Click the Utilities drop-down list.
  • Then choose Stop Hosting Multi-User Access, if given the option.
  • If you see Host Multi-user access as an option, it means the hosting settings are correct on that computer.

Restart QuickBooks Database Service

If the error got triggered because the QuickBooks Database Service stopped working, you need to restart QuickBooks Database Service to fix the error. Follow the instructions given below to restart QuickBooks Database Service:

  • First, right-click the Task bar and click the Start Task Manager option.
  • Next, open the Processes tab and find the QuickBooks DBXX (XX is the variable for the version of QuickBooks Desktop you use on your computer.)
  • Then, right-click QuickBooks DBXX and choose the End Process option.
  • Select Yes to confirm the changes you made.
  • After that, open QuickBooks again and access the file to check if the error is fixed.


This article explains the causes and the solutions to QuickBooks Company file in use error. The solutions provided above are restarting QuickBooks Database service and checking the multi-user hosting settings on all the workstations. If the error is still not resolved, lack of administrative permissions might have caused the error. You need to sign in with the admin account to fix the error. Dial 1-855-856-0042 if you have any questions about the error or the article.


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