One of your customers has an internally written application that manages inbound file transfers from remote locations. After upgrading their computer to Windows 7, the application stops working and remote clients are complaining that their file transfers are rejected before they even start. Which of these is the most likely cause of this issue?
A) The application is licensed only for Windows XP
B) The Windows Firewall is blocking the application
C) The hard drive is out of disk space
D) The end users must also upgrade their operating systems to Windows 7
E) The application has stepped out for an iced coffee
The answer: B) The Windows Firewall is blocking the application
By design, the Windows Firewall is very good at interrupting an application that requires inbound connections. If you’re planning to use an application that works this way, you’ll also want to be sure that the application is listed as an exception in Windows Firewall.
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