Your company has an Active Directory Domain Services (AD DS) domain. All servers run Windows Server 2008 R2. All client computers run Windows 7. You have a Remote Desktop Session Host (RD Session Host) server and a Remote Desktop Gateway (RD Gateway) server. You change the configuration of Windows Firewall by using Group Policy. Users on the corporate network are then unable to connect to their virtual desktops. You need to ensure that users can connect to their virtual desktops. What should you do? (Each correct answer presents part of the solution. Choose two.)

A.
Create a Windows Firewall inbound rule for port 443 on the RD Gateway server.

B.
Create a Windows Firewall inbound rule for port 443 on the RD Session Host server.

C.
Create a Windows Firewall inbound rule for port 3389 on the RD Gateway server.

D.
Create a Windows Firewall inbound rule for port 3389 on the RD Session Host server.