Windows firewall is blocking QuickBooks. What to do?

Windows firewall is blocking QuickBooks. What to do?

Windows firewall is blocking QuickBooks.

QuickBooks encounters so many technical and functional errors. Network Connectivity is one major reason for technical errors in QuickBooks. There are unfriendly times when Windows firewall blocks connection to the network for QuickBooks services. And this is when you face serious issues. “Windows firewall is blocking QuickBooks” is one major concern that needs to be fixed.

Are you a Quickbooks user?

The QuickBooks connectivity errors are defined with specific codes such as H505, H101, H202, and H303. These error codes are encountered by the QB users frequently due to firewall blocking your connection. At times it is very difficult to identify errors caused by Windows firewall. Even the QuickBooks file doctor tool fails to diagnose these errors. To remove the firewall blockage the users need to follow the below-mentioned steps:

Authorize QuickBooks Services for windows firewall is blocking QuickBooks:

  • Move toControl Panel
  • Select Windows Firewall
  • Choose the message that says: “Allow the program through the firewall.”
  • Choose that every program that needs to be allowed through Windows firewall.
  • Click OK.

Allowing the QuickBooks services will make sure that Windows allows all the selected components through windows firewall. All the components are not registered by Windows on the system. This crops up the issue as the individual services installed along with QuickBooks still cannot be allowed through the firewall.

Steps to resolve query: Windows firewall is blocking QuickBooks.

  • Move toControl Panel
  • Locate where it says: “Windows firewall with adv. s” You can navigate to the said option using windows firewall window.
  • Click on Inbound
  • Choose‘New Rule’. View this option in the right panel of the latest opened window.
  • Click on Program
  • Choose the checkbox against ‘This program Path’
  • Browse and Choose the components for the service you want to allow through Windows F
  • Go to the next window and choose the option ‘Allow the connection.’
  • Click on the next tab, checkmark every option that is provided. These options categorize the type of firewall and prompt the type of connection should the program be allowed through.
  • Enter the name of the rule with a You can name as ‘Payroll Allow’ that will ease the task of seeking the rule afterward and make changes to it.

The users have to follow the similar rule for allowing the outbound connection. The users are supposed to choose the outbound option that is just beside the inbound option and then click on create a rule. Apart from this rest of the steps are similar to as inbound. Once done, open QuickBooks application. In case the error still persists then try turning off windows firewall.

If your data and software are on a separate server or a cloud server then you have to approach your service provider to fix the issue. The database synchronization errors can occur due to incorrect path mentioned to the software. Ensure that correct path for the company file in entered in your QuickBooks accounting software.

How to Turn off Windows Firewall?

If you are seeing the message “Windows firewall is blocking QuickBooks” more than often then you can try turning off windows firewall. This is the last option to be followed else system becomes exposed to hackers, malware, and ransomware. This method should only be preferred to detect if the error is resolved by turning off the firewall.

  • Move to Control Panel
  • Choose Windows Firewall
  • Click on ”Turn windows firewall on or off.”
  • Click on disable windows firewall

Once done open QuickBooks to check if the issue is resolved and if the error windows firewall is blocking QuickBooks, the message has now been removed. If it is then you can switch back windows firewall. It is an important element of windows security and is required to safeguard against hackers and malicious software. So it is suggested that firewalls settings should be turned off that come along with antivirus software.

Your security software may be at fault:

There is other security software such as antivirus, anti-malware, and firewall solutions. These security programs can block the connection of particular services so you can either turn off these software or uninstall them for a temporary period and continue using QB services.

If you are experiencing errors ensure to diagnose and troubleshoot with QuickBooks File doctor tool. The network connectivity issues can crop up due to many reasons and one of them is windows firewall. If you are still unable to access the QB service then contact your internet service provider.

Internet service providers can come to your rescue:

The Internet service providers pre-block many ports that can be responsible for causing security issues. Sometimes the UDP ports are blocked which are essential for many services to connect to the internet. It is very easy for the internet service provider to resolve the problem.

Hope you now have a clear understanding on what kind of error “windows firewall is blocking QuickBooks” is and where to look for a quick fix. If you need any further assistance then, you can contact QuickBooks customer support number. The support team can be reached by toll-free phone, email or live chat option. is a reputed QuickBooks support agency that roofs competent QuickBooks support team. The team identifies the nature of the error and provide instant resolution.

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