QuickBooks firewall error or QuickBooks can not communicate with company files gets triggered when users try to access company files. This arises because the working procedure is interlocked by a firewall. In that case, it may face it while upgrading or running QuickBooks software. You might also encounter an issue due to accessing a file in a multi-user mode. If you are confused about the error, you can find other errors connected with company files, such as QuickBooks Error 6209.
Many users reported this issue while updating the Windows operating system. It may have occurred because of a technical glitch. QuickBooks is vulnerable to bugs and problems, so receiving this error is not uncommon. Resulting from this problem, the user cannot return quickly to the company file and the QuickBooks software.
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Impactful reasons behind QuickBooks firewall error
The installed firewall is not configured properly.
You are using the oldest release of the firewall installed on your device.
The DNS setting is not correct.
The system version of QuickBooks desktop is out of date.
QBDBMgrN, used for multi-user mode, is not running.
Incorrect folder permissions obstruct the sharing path.
The server connection has been lost.
.ND files are damaged and missing.
There are some connectivity issues in the system.
Recommended to read: What is error code 12031 in QuickBooks?
Effective solutions to rectify QuickBooks firewall error
Try the solutions below; all the solutions are expert-proven and very simple to implement. Here are the steps that you can follow to fix your problem.
Solution 1: Run QuickBooks File Doctor
From the tool hub, pick Company File Issues.
Pick Run QuickBooks, then File Doctor. It may take one minute for the file doctor to open. Note: If the QuickBooks File Doctor fails to open, search for QuickBooks Desktop File Doc and open it manually.
From the QuickBooks File Doctor, choose your company file from the list. If you cannot see your file, click Browse and search for it.
Choose Check your file and network, then Next.
You have to input your QuickBooks admin password and then select Next.
Scan time is dependent on your file size. It usually takes up to 5 minutes. Once the scan has been completed, open QuickBooks and your company file. The scan might say it failed, even if it fixed your problem.
Solution 2: Manual configuration of the firewall
Add Firewall port exception for QuickBooks
Begin with launching the Start menu.
To launch Windows firewall, Type "Windows Firewall" in the search box.
Select Advanced Settings.
Right-click Inbound Rules (you will create Outbound Rules later). Then select New Rule.
Select Port and then select Next.
Ensure that TCP is chosen.
In the field known as Specific local ports, enter the specific ports as required for your QuickBooks year version:
QuickBooks Desktop 2020 and later: 8019, XXXXX.
QuickBooks Desktop 2019: 8019, XXXXX.
QuickBooks Desktop 2018: 8019, 56728, 55378-55382.
QuickBooks Desktop 2017: 8019, 56727, 55373-55377
Conclusion
To summarize, QuickBooks firewall is a company file error that QuickBooks cannot communicate. It gets triggered for many reasons that have been discussed along with their solutions. To solve this error, you need to read the complete blog carefully. If you need a professional guide to get help with your queries, call 1-855-542-9309; our support team will contact you immediately.
You may also read: Solve QuickBooks Company file in use error in 3 easy steps.
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