How to Fix QuickBooks Unable to Communicate with the Company File Error

The QuickBooks Unable to Communicate with the Company File error happens when the firewall is interrupting the connection. It can also happen because of some background processes or network issues. When an error happens, check the root cause so that you can get to the solution to fix the error. 

In this article, you get to know all the possible reasons behind this error and the solutions that help you to fix it according to the reasons.

What are the reasons behind the error “QuickBooks Unable to Communicate with the Company File”?

The reasons behind the QuickBooks Unable to Communicate with the Company Files are as follows:-

  1. Your QuickBooks version is outdated.
  2. Common Company File issues.
  3. The firewall is blocking the Software.
  4. QuickBooks Database Server Manager is not working.
  5. Hosting settings are incorrect.
  6. Network issues.
  7. The company file folder has permission issues.
  8. Updated system settings are not compatible.

Troubleshooting solutions to fix the QuickBooks Unable to Communicate with the Company File error

Here are all the solutions listed with detailed steps according to the reasons. Find the root cause and then pick the solutions to fix the problem. Make sure to follow all the steps properly to make your QuickBooks account error-free. The list of solutions is mentioned below.

Solution- Use QuickBooks File Doctor Tool to fix Company File and Network Issues

The QuickBooks PDF repair tool is one of the tools from QuickBooks Tool Hub. So you first have to download, install, and then perform the repair process using the tool. The steps are:

  1. Download the QuickBooks Tool Hub in your system.
  2. To install it, go to the downloaded file.
  3. Open the tool hub .exe file and start the installation process.
  4. Then follow the instructions to install the QuickBooks Tool Hub properly.
  5.  When installation is done, go to the tool icon on your desktop or system.
  6. Double-click to open the tool.
  7. Select the option Company File and Network Issues to reach the tool.
  8. Choose the QuickBooks File Doctor Tool.
  9. The tool runs and repairs the file.
  10. After some time it’s done.
  11. If not done then you can also try the Quick Fix My Program.
  12. Repair the damaged file and proceed further.

Solution- Update your QuickBooks Desktop Software

  1. First of all, open the QuickBooks Desktop software
  2. Then press the F2 key 
  3. It opens up the product information window
  4. Check the version of your software
  5. If it’s the latest version then proceed with another solution. But if not then proceed to update the software to the newest release.
  6. Go to the Help menu option from the top menu
  7. Then click on Update QuickBooks Desktop option
  8. Click on the Update Now tab
  9. Further, select the Get Updates option
  10. It starts downloading the newest update
  11. When the download is completed
  12. You have to restart the QuickBooks software
  13. Agree to install the latest release that you have downloaded.
  14. Follow the instructions and then you will be done
  15. Now, check for the error.

Solution- Firewall settings are not done correctly

  1. In your Windows system
  2. Go to the search option
  3. Search for the Windows Firewall and open it
  4. Go to the Advanced Settings option
  5. Right-click on the Inbound Rules
  6. Select the Port and click the Next button
  7. You will see “Does this rule apply to the TCP or UDP?”
  8. Here, you have to select the TCP option
  9. Mention the port specific to the QuickBooks Desktop version
  10. You can easily locate the port using the QuickBooks Database Server Manager.
  11. Then click the Next button
  12. Choose the option Allow the Connection
  13. After this, click the next and make sure no profile is unchecked
  14. Again click the Next button and mention the name of the new rule
  15. When done click the Finish button
  16. Now you have to repeat the whole procedure for the Outbound Rules.

Solution- Add exception to Firewall

You must add a few exceptions to the Windows Firewall to allow QuickBooks to work properly. The steps are as follows:-

  1. IntuitSyncManager.exe
  2. QBUpdate.exe
  3. QBDBMgrN.exe
  4. OnlineBackup.exe
  5. QBW32.exe
  6. QBLaunch.exe
  7. DBManagerExe.exe
  8. QuickBooksMessaging.exe
  9. AutoBackupExe.exe
  10. QBCFMonitorService.exe
  11. FileMovementExe.exe
  12. Dbmlsync.exe
  13. FileManagement.exe

Solution- Provide UAC permissions for Windows Folder access

  1. Firstly, Go to the QuickBooks icon.
  2. Right-click on the QuickBooks icon.
  3. Open the file location.
  4. Then press the backspace key to go to the location of the folder.
  5. Select QuickBooks and right-click on it again.
  6. Click on the Properties option.
  7. The properties window opens up on your screen.
  8. Click on the Security tab.
  9. Press the Edit button then click the Add button.
  10. Type the Everyone and click the OK button to continue.
  11. Click on the Full Control option visible to you.
  12. Then click the Apply button to apply the changes.
  13. Now, repeat the above steps and this time enter the Users instead of Everyone.
  14. After that, open the Control Panel.
  15. Go to the Search bar.
  16. Type UAC and click the option Change User Account Control (UAC) configurations.
  17. Perform any one of the below points:
  1. Switch off UAC- Drag the UAC slider to Never Notify then click on the OK button, and save these settings.
  2. Switch ON UAC- Drag the slider to the When you want to be notified. Click on the OK button and save the settings.

Solution- Fix the Company File Connection issue by utilizing QuickBooks Database Server Manager

  1.  For this, you have to open the QuickBooks Tool Hub
  2. In QuickBooks Tool Hub, go to the Network Issues tab from left side
  3. Then go with the tool QuickBooks Database Server Manager
  4. When opens up click on the Start Scan option
  5. If you won’t get this option clicked then first search for the company file and select it
  6. Now, you can easily start the scan
  7. When it repairs the issues using the Windows Firewall 
  8. Try to communicate with the company file and check for the error.

Solution- Check your Hosting Settings

  1. Open your QuickBooks software on the server machine or workstation.
  2. Go to the File tab.
  3. Now, go to the Utility option and check the hosting options available.
  4. If it shows the “Stop Hosting Multi-User Access” option under the utility; it means the server is in the right configuration state.
  5. If it shows the “Host Multi-User Access” under the Utility; it means, you have to select the option and change it to “Stop Hosting Multi-User Access”.
  6. After this, go to the Workstations and check that none shows the “Stop Hosting Multi-User Access” option.
  7. When you are done with the hosting setup changes.
  8. Access the QuickBooks Unable to Communicate with the Company File on the server machine or workstation.
  1. Go to the Windows Start menu.
  2. Search for the Sharing.
  3. Now, select the option Manage Advanced Sharing Settings.
  4. After that, hit the option- Turn off the password-protected sharing option.
  5. Save the changes by clicking on the Apply button.
  6. Then click on the Save button.
  7. Now, open the QuickBooks account and check for the error.

Solution- Verify QBDBMgrn.exe file is running

  1. In your Windows system.
  2. Open the Task Manager by pressing and holding the Ctrl+Alt+Delete keys together.
  3. In the task manager, go to the Process tab
  4. Then search for the QBDBMgrn.exe file to check that it is running or not
  5. If you can’t find the process then give the admin rights to QBDataServiceUser
    1. Close the QuickBooks software
    2. Then open the Control Panel in your Windows system
    3. Go to the User Accounts option
    4. Then click on it to open it
    5. Choose the option Manage another account
    6. Go to the QBDataServiceUser option and double-click on it
    7. Now, you have to click on the Change Account Type
    8. Further, click on the Administrator option
    9. Click on the Save button to save all the changes
    10. Now, close the Control Panel window and check for the error.

Solution- Try to fix it by creating QuickBooks Network Data (.ND) File

  1. Click on the Start menu.
  2. Now, search for the QuickBooks Database Server Manager.
  3. Click on the QuickBooks Database Server Manager.
  4. On this page, you have to click the Add Folder.
  5. Locate the company file folder in it.
  6. Now, select the folder that contains the company file.
  7. Select the Scan button
  8. In scan, you get the list of all the company files that are under the QuickBooks Company File Folder list
  9. In this, locate the Network Data (.ND) file in the folder.

Solution- Restore the System and Reset the system settings

  1. Make sure that you are in an admin account in your Windows system
  2. If not then log in to the admin account.
  3. Open the Windows Start menu.
  4. Search and open the System Restore settings.
  5. Revert the changes and restore your system to the earlier point.
  6. Now, open the modernized reductions list.
  7. Click the Next button to start the Restore process.
  8. Wait for the process to complete.
  9. When it’s completed, check for the error.


With the help of the solutions, the QuickBooks Unable to communicate with the Company File error was resolved in no time. All the solutions are explained step-by-step so that you can perform them smoothly.

Still, if you have any issues or glitches then connect with the QuickBooks helpdesk team. The team members are experienced and expert in handling all the situations as they have years of experience. Write an email at or do a live chat with experts whenever required.

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