Windows Firewall Is Blocking Quickbooks Issue :
When the error occurs, every time the user tries to run QBDSM, they get a Windows Firewall is Blocking QuickBooks error message. Users may attempt to try some hither and thither steps like checking the ports, uninstalling and reinstalling QB, turning off the firewall, running File Doctor diagnostic tool but they may still not be able to overcome the Windows Firewall Blocking QuickBooks error.

Error Description:
The Windows Firewall Blocking QuickBooks Technical Support Phone Number QuickBooks error may display an error – “Network diagnostics failed or “Disable exceptions Firewall not defined” fix issues and retry”. The error message itself provides a clue to fixing the issue.

How to Resolve the Windows Firewall Blocking QuickBooks Issue?
Manually Configure the Windows Firewall setup:
For easy resolution, you can configure your firewall manually to lift the block from your QuickBooks program. The steps may vary depending on the version of the firewall in your system. Here, we describe the process of fixing the issue with Windows 7, 8, 10 & 12.
• In the Start window type Firewall & select Windows Firewall
• Go to Advanced Settings > Right Click on the Inbound Rules > Click on New Rules
• Click to choose the PORT > Click next
• Ensure the TCP is checked
• Type the relevant port number of (multiple) QuickBooks version you are using. Here’s the list of port and related versions:
• QuickBooks Desktop 2016 – 8019, 56726, 55368-55372
• QuickBooks Desktop 2017 – 8019, 56727, 55373- 55377
• QuickBooks Desktop 2018 – 8019, 56726, 55378-55382
• After you’ve selected the appropriate port(s), click Next and check ‘Allow The Connection’ button > Click Next
• In the next step check if all the profiles have been marked > Click on Next
• Enter a rule name and Click on Finish
• Repeat similarly to establish Outbound Rules as well.

You can also add a direct exception on the firewall by ‘Allowing’ QuickBooks with more access.
• In the Start window type the Firewall
• Click on Windows Firewall and Select Advanced Settings
• Right-click on Advanced settings and select Inbound Rules > Select ‘New Rule’
• Browse to select the Program > Click Next
• Select ‘This Program Path’ > Click Browse the paths from the table > Click Next
• Check if Allow The Connection is selected > Click Next > Ensure all profiles are checked > Click Next
• Enter a rule name and Click on Finish
• Repeat the same step for the Outbound Rules

Now check if the Windows Firewall is Blocking QuickBooks error has been resolved without the firewall software blocking the access to QB. There may be other third-party anti-viruses that may prevent the QB access and these need to be configured individually to fix the problem.
Why Accounting Hub ?
In case you are still getting the error message, Accounting Hub is here to help you with this error. Our certified technical experts are well versed with resolving all the errors in QuickBooks. They have the right tools to diagnose the real cause for any error in your QuickBooks and will help you resolve the problem in minimum turnaround time.
Dial the toll-free number +1888-597-3962 and talk to our QuickBooks ProAdvisor to get a permanent solution and get up and running with your QuickBooks in no time.

For more information : QuickBooks Technical Support Phone Number