Your company has an Active Directory domain.
The company has a server named Server1 that has the Remote Desktop Services server role and the RD Web Access role service installed.
The company has a server named Server2 that runs ISA Server 2006.
The company deploys the Remote Desktop Gateway (RD Gateway) role on a new server named Server3.
The company wants to use ISA as the SSL endpoint for Remote Desktop connections.
You need to configure the RD Gateway role on Server3 to use ISA 2006 on Server2.
What should you do?