This setting determines the behavior for outbound connections that do not match an outbound firewall rule. In Windows Vista, the default behavior is to allow connections unless there are firewall rules that block the connection. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Windows Firewall with Advanced Security\Windows Firewall with Advanced Security\Windows Firewall Properties\Domain Profile!Windows Firewall: Domain: Outbound connections (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsFirewall\DomainProfile!DefaultOutboundAction