A Detailed Guide: Windows Firewall is Blocking QuickBooks If you also want to work in QuickBooks without any disruptions, then some settings must be properly configured. The firewall settings should be configured to allow you to connect to the server so that you can easily access files stored on another device. If they are not set appropriately, you might be prevented from accessing the files and start facing network connectivity issues. When the Windows firewall is blocking QuickBooks , you may get trapped by hosting errors like H101, H202, and more. Let’s dive into the blog to get an overview of other aspects of this issue and learn ways of troubleshooting. However, if you are terribly confronted by QuickBooks glitches, don’t wait, as it may become vast. Instead, dial 1–855–542–9309 and get along with the experienced professionals. The Main Contributors to the Windows Firewall is Blocking QuickBooks Issue After knowing what Windows firewall is blocking QuickBooks issue is, let’s explore the causes that led to this. The issue begins when any third-party app blocks access to QuickBooks. It can be considered that Windows Firewall blocking QuickBooks and preventing it from accessing the company files. Another reason is that the ports that QuickBooks uses to access web pages and websites are disabled on the device. Quick and Easy Fixes to Perform if Windows Firewall Blocks QuickBooks Have a look at the solutions given below. They are tested and proven effective before being delivered in this blog. Step 1: Run QuickBooks File Doctor Go to the QuickBooks Tool Hub. Choose Company File Issues. Select Run QuickBooks File Doctor. Give a minute to open. Note : If you fail to open the QuickBooks File Doctor, search for it and open it manually. Here, in the QuickBooks File Doctor. Have a look at the dropdown menu. Choose your company file. Browse and search to get your file if you can’t see it. Choose Check your file (middle option only). Tap Continue. Enter your QuickBooks admin password. Touch Next. Step 2: Configure the firewall manually You are required to attempt the following steps in each version if you use multiple instances of QuickBooks on the same computer. Open the Windows Start menu. Enter Windows Firewall. Tap Advanced Settings. Right-click Inbound Rules. Click New Rule. Tap Port. Click Next. Check if you have chosen TCP. Go to the Specific local ports field. Enter the specific ports needed for your QuickBooks 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. Let’s Recap We hope the blog is informative and could help you escape from Windows firewall, which is blocking QuickBooks. If any issues arise while performing the steps, don’t overthink before contacting the experts. Give a ring to 1–855–542–9309 and let professionals help you.