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 How to Resolve Error: Cannot Communicate with the Company File due to Firewall? Get instant help with customer service

When your Quickbooks sends you an email alert, it may appear to be legitimate. However, if you see the following error message: "Error: Cannot Communicate with the Company File due to Firewall?" or "The connection request to your company file failed. Please check the firewall settings on your computer." This means that you are experiencing a firewall-related issue and need to contact your IT department about how they can resolve this problem. The error "Cannot Communicate with the Company File due to Firewall" is caused by the firewall of Protectron, your company's IT partner. A firewall blocks communications between two computers in order to prevent unauthorized access. This error is usually fixed by contacting Protectron's technical support team. This error message is usually given if Quickbooks Error Support (855)756-1077 cannot communicate with the Company File. This can be caused by a firewall or router blocking access to this company file. The best way to resolve this issue is to contact your network administrator for assistance in opening up access to the company file on your computer.Possible Causes

• The latest firewall version is not installed on any network.

• The connection of a server gets lost & is set up as properly.

• A QuickBooks database server manager stops running to any server.

• Incorrect DNS setting.

If you are having difficulty contacting Quickbooks on your computer, the problem might be due to a firewall on your computer. To fix this issue, you will need to change your firewall settings.

How to Solve “Error: QuickBooks unable to communicate with a company file”?

Solution 1: Use QuickBooks File Doctor tool

• Use QuickBooks File Doctor tool that develops and easily troubleshoots this hindrance instantly.

• Firstly, download & ready to install QB file doctor.

• After that install and run this tool on your system.

• If the QuickBooks File Doctor tool is unable to resolve this issue or if error still persists there after using the file doctor tool then follow the Solution 2

Solution 2: Manually troubleshoot your Network Settings

Method 1: Update QuickBooks to the Latest Release

• First of all you need to update your QuickBooks software to the latest released version. (Note: Click here to know how to update QuickBooks to latest version version)

Method 2 : Verify hosting

If you are using QuickBooks in a multi-user mode, only one computer should host the company file. Scanning the company file using the Database Server Manager turns hosting on.

Turn off hosting in all Workstations:

• Select Utilities From the QuickBooks File menu.

• Click Stop Hosting Multi User Access.

• Click Yes on the confirmation message.

Ensure that Hosting on the server system is turned on:

• On your keyboard, Open the task manager by Pressing Ctrl+Alt+Delete keys to open the task Manager.

• Now search the QBDBMgrN.exe in the Image Name column

• If you are not able to search the QBDBMgrN.exe file, ensure that QuickBooksXX service is running on your server.

• Important: You may need to log in as the system administrator to perform the following steps.

• Type Windows+R to open the Run window, on your keyboard.

• Now Type in services.msc and then click OK.

• Find the running file QuickBooksDBXX of your QuickBooks. (For example: QuickBooks 2017: QuickBooksDB27, QuickBooks 2016: QuickBooksDB26)

• Ensure that the startup type is Automatic and it is recently started.

• Verify that the entry in the User Name is correct, in the QBDBMgrN.exe row

• The user name depends on your QuickBooks version. (Example: QuickBooks Desktop 2017: QBDataServiceUser27, QuickBooks Desktop 2016: QBDataServiceUser26)

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Method 3: Create/build the Network Data (.ND) file(s)

For information, we would like to inform you that the Network Data (.nd) file is a type of QuickBooks file that stores or keeps all the data/information of the host computer that contains QuickBooks Customer Service company files. This particular file is self-generated or automatically created when the user scans the QB folder or any open QuickBooks company files.

• On the keyboard, tap on the “Windows” or “Start” key once & enter the ‘QuickBooks Database Server Manager’ (QBDSM) in the search box. Choose the ‘QuickBooks Database Server Manager’ (QBDSM).

• NOTE: In the ‘Program List’, if you are unable to see the QuickBooks Database Server Manager (QBDSM) then it is suggested that you should uninstall & reinstall QuickBooks application. Ensure that you choose the second option, “I’ll be using QuickBooks on this computer, AND I’ll be storing our company file here so it can be shared over our network to guarantee the installation of QuickBooks Database Server Manager”.

• Go to the ‘QuickBooks Database Server Manager’ (QBDSM) display, click on the “Add Folder” tab and search to locate the folder containing the QB company file(s).

• Once all folders are added, click on the “Scan” tab.

• Once you scan all the QB folders, go to the ‘QuickBooks Company Files’ section to see it.

• Go to the ‘QuickBooks Company File’ location and make sure that all the .nd extension files are created/built for each QB data file.

I hope you found this article helpful. For more queries, just ask your doubts to us and connect to our Certified Advisors at our QuickBooks Customer Service Number help department number (855)741-3663. We are available round the clock and get quality assistance over email or by a call.