Print out a listing of Point of Sale ports, files and their locations so it is available as you configure your firewall.
To configure Symantec Norton Internet Security 2007 for use with Point of Sale:
- Click the Microsoft Windows Start button, select Programs or All Programs.
- Select Norton Internet Security and select Norton Internet Security.
- Click Personal Firewall:

- Click Configure.

- Click Program Control:

- Scroll through the program listing as shown below and ensure that all Point of Sale applications are flagged as Allow.

If this solution does not resolve the issue, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site. . You can also review other available QuickBooks Point of Sale support options for additional guidance.