Skip to content

QuickBooks Firewall Issues & Problems – How to get them fixed

QuickBooks Firewall Issues & Problems

QuickBooks has become extremely popular among small and mid-sized businesses all over the world. This program is in high demand due to its user-friendly interface, which makes it simple to do all of the complicated accounting and bookkeeping chores. Furthermore, this incredible program increases financial security and makes accounting jobs more efficient. But despite such amazing software QuickBooks has some flaws. These flaws are commonly known as QuickBooks errors.

The Common QuickBooks Firewall Error is the most common error encountered by users when the QuickBooks software is unable to connect to the company file due to a firewall. We’ll show you how to fix common QuickBooks Firewall errors in just a few minutes with the help of this post. All you have to do now is follow our instructions in the proper order. 

Possible factors that could lead to common QuickBooks Firewall Error 

 This issue can be caused by a variety of circumstances. The following are a few of them:

  • The installed firewall has been configured incorrectly.
  • On your device, you are not running the most recent version of the firewall.
  • The DNS settings are incorrect.
  • The QuickBooks Desktop on the machine is out of date.
  • The multi-user mode QBDBMgrN is not operating.
  • The sharing path is obstructed by incorrect folder permissions.
  • The connection to the server has been lost.
  • The .ND files are corrupted or missing.
  • There are some challenges with the system’s connectivity.

When you’ve identified all of the underlying aspects and causes, your chances of addressing this problem increase dramatically. In the section below, we will check the list of Common QuickBooks Firewall errors.  

List of QuickBooks Firewall Issues & Their Solutions

What is Avast Firewall blocking QuickBooks?

If users receive Avast Firewall blocking QuickBooks that means they might block the application permanently. This error can occur if the ports used by the application to connect to the internet are down. Specific ports that are commonly used by the application may cause problems in some circumstances. QuickBooks, like other apps, does not require a large number of ports. It just uses a certain port that varies depending on the version of the application. 

How to Fix it?

Try to manual configuration of your Firewall ports 

To allow the application to connect to the internet, you can manually configure Firewall ports. All you need to do now is downloading and execute this program. If you don’t want to download the app, you can do so by following the steps below:

  • To begin, use the “QuickBooks Database Server Manager” 
  • After that, go to the “Port Monitor” tab and write down the “Port Number”
  • Then, simultaneously press the “Windows” + “I” keys to open settings, and then tap the “Update & Security” button
  • From the left navigation pane, select the “Windows Security” tab and then the “Firewall and Network Security” option
  • From the drop-down menu, select “Advanced Settings” and then “Inbound Rules” from the new window
  • Then choose “New Rule” >>> “Port” >>> “Next”
  • Select “TCP” followed by selecting the “Specified Local Ports” tab from the drop-down menu
  • Then select “Allow the Connection” from the “Next” menu
  • Select “Next” once more, and make sure that all three items on the screen are checked
  • Tap “Next” once more, and give the new rule a “Name”
  • Then select “Next” and “Finish” from the drop-down menu
  • Once you’ve completed the preceding procedures, repeat them for the “Outbound Rule” and see if the error still exists.
Note: Hope you've resolved this issue, if not then consider to have words with experts by clicking the Instant Live Chat Button Below.

What is Windows Firewall blocking QuickBooks?

Sometimes, the Windows firewall settings in your system can cause issues, which may lead to severe errors. One of the most common error messages that many users receive while using the application is “Windows Firewall blocking QuickBooks”. While utilizing the QuickBooks application in the Firewall, you may encounter various exceptions. The Windows Firewall can sometimes block the application, resulting in a variety of problems.

How to Fix Windows Firewall blocking QuickBooks?

By following the procedures below, you can add the QuickBooks program as an exception to the Firewall:

  • To open settings, press the Windows + I keys together from your keyboard 
  • And then select the “Update & Security” tab
  • Click the Windows Security tab in the left navigation pane, then the “Firewall and Network Security” option
  • Tap the Advanced Settings button, then select “Inbound Rules” and “New Rule” from the drop-down menu
  • Select “Next” then check the “This program Path” radio button and press the “Browse” button after clicking “Program”
  • Choose the location on your computer where you installed the QuickBooks Program
  • Then press the “Next” button and select “Allow the Connection”
  • Check all of the “Three” selections on the button and then click the “Next” button
  • Now, give the rule a name and click “Finish”
  • Re-run the process for the “Outbound Rule” to ensure the problem is resolved.
Note: Hope you've resolved this issue, if not then consider to have words with experts by clicking the Instant Live Chat Button Below.

What is Windows Firewall is blocking QuickBooks Database Server Manager?

When you get QuickBooks server issues, it means you need to configure Windows Firewall. Furthermore, in order to connect to the internet, QuickBooks requires specific ports. If these ports aren’t built or configured on your Windows PC, you’ll almost certainly get issues.

How to fix Windows Firewall is blocking QuickBooks Database Server Manager?

To avoid such kind of issues, you must try to 

Reboot your Windows system 

  • Select the “Start” button from the Windows menu
  • Then hit the power button to turn it on
  • After doing that, select the “Restart” option 
  • This will update your system as well as any programs you have installed.

You can verify if Windows Firewall is obstructing QuickBooks Database Server Manager after rebooting the PC. If that’s the case, you’ll be able to configure the Windows Firewall and port settings. The steps for the same are already discussed in the above section. 

Note: Hope you've resolved this issue, if not then consider to have words with experts by clicking the Instant Live Chat Button Below.

What is QuickBooks Firewall Connection sharing not allowed?

QBDSM connection sharing not allowed usually occurs when users are trying to set up a system. It can be caused due to a number of reasons like inaccurate hosting, settings, antivirus issue, UNC path errors, network issue, and more.

How to fix QuickBooks Firewall Connection sharing not allowed?

You can correct this issue by 

Checking and fixing the hosting issue on your systems:

First, confirm that the QuickBooks Database Server Manager is correctly installed on your server computer. Follow the steps to check the same:

  • Press the Windows Start button from your keyboard 
  • Next, enter QuickBooks into it
  • If you find QB Database Server Manager is absent in the list that indicates it is not installed 
  • After that, you’re suggested to perform the installation 
  • And then click “Apply” on the Hosting Settings. 

Steps for the settings of a Host system with QuickBooks:

  • The very first, open your QB software 
  • Next, go to the File menu and select the Utilities tab 
  • And then proceed the instructions provided to you
  • If “Stop Hosting Multi-User Access” is available within the menu that indicates hosting is enabled and then you can start the proceeding steps
  • If “Host Multi-User Access” is displayed within the menu then make sure you select it and turn on the hosting in your system. 

Host System without QuickBooks (Server-only installation)

Locate the QBDSM option appearing on your Windows System Tray then perform the steps suggested below:

  • Start with discovering the Start menu 
  • Next, click on “All Programs” tab 
  • Now, click on the QuickBooks software 
  • After that, select the option “QB Database Server Manager” 
  • Look for the Database Server button and click on the same 
  • Check the active connected company file and logged in users for the company file that appears in the window
  • If it is not available, select Scan Folders and then select Help from the drop-down menu for instructions on how to embed the company file
  • Close the QuickBooks Database Server Manager once you’ve finished.

Discover the .nd file, delete and recreate it

  • Press the Windows Start button from your keyboard
  • Type QuickBooks Database Server Manager
  • When the QBDSM displays, click on the Add folder and find the folder with company files
  • After you’ve added all of your folders, click the “Scan” button, and then follow the steps below:
  • The data files will appear below the QuickBooks company files that were discovered.
  • Close the window by clicking the Close button
  • Locate the folders containing company files and verify that a .nd file was created for each company data file
  • If the QuickBooks Database Server Manager isn’t included in the Programs List, you’ll need to remove/uninstall and reinstall QuickBooks.
Note: Hope you've resolved this issue, if not then consider to have words with experts by clicking the Instant Live Chat Button Below.


Well, these are the fixes for the problem. Hopefully, they were helpful in resolving Common QuickBooks Firewall Error that you might be facing. Don’t forget to look around the rest of our website for more information. They’ll undoubtedly be effective against the majority of QuickBooks errors. 


  1. How can I fix the QuickBooks error ‘cannot communicate with the company file due to firewall’?

    There are numerous options for resolving the issue including:

    1. QuickBooks needs to be updated
    2. Run the QuickBooks file doctor tool 
    3. Check the hosting
    4. Create a. ND file, etc. 

  2. Is it possible to allow QuickBooks through the firewall?

    Yes, you may manually configure the firewall to allow QuickBooks. To do so, follow the steps below:

    1. Go to the Windows Search box
    2. In the search bar, type Windows firewall
    3. Simply press enter to gain access to the same
    4. Select Advanced Settings from the drop-down menu
    5. After that, do a right-click on the Inbound Rules and select Properties
    6. Once done with that, select New Rule
    7. After that, proceed to Port and then select “Next”
    8. Also, select the TCP
    9. At last, simply supply the software’s necessary ports within Specific local ports.

  3. What role does the QuickBooks tool hub play in troubleshooting Common QuickBooks Firewall Errors?

    Connectivity issues can cause the common QuickBooks firewall error. To access utilities like QuickBooks File Doctor and QuickBooks Database Server Manager, be sure to download the QuickBooks tool hub The link is ensured by these two instruments. If you don’t want to install the QuickBooks tool hub, you can utilize the QuickBooks connection diagnostic tool instead. This tool’s official download URL can be found on Intuit’s website. It is another excellent utility designed to enhance QuickBooks multi-user access.

Was this worth your time?

This helps us sort answers on the page.

Average rating 0 / 5. Vote count: 0

No votes so far! Be the first to rate this post.

Speak to A Specialist about QuickBooks Software

Headache🥺. Huh, Save time & money with QuickBooks Support 24×7 @ +1/, we provide assistance to those who face problems while using QuickBooks (Support all U.S. & Canada Editions)

--- Support - We provide solutions for the following QuickBooks (Pro, Premier, Accountant, Enterprise, Payroll, Cloud) ---

  • Error Support
  • Data Import
  • Data Conversion
  • Payment Solutions
  • Upgradation
  • Payroll Support
  • Data Export
  • Software Integration
  • QuickBooks Printer Support
  • Complete QuickBooks Solutions
  • Tax-Related Issues
  • Data Damage Recovery
  • Installation, Activation Help
  • QuickBooks Windows Support

Disclaimer : We are a third party agency working on providing authentic support and full fledged services for for accounting software QuickBooks 2018 version. It is one of… Read more



Bigxperts Tollfree Number