The Lync Server Edge Server requires the following components to be installed:
• .NET Framework 3.5
• Visual C++ 2008 Redistributable
• PowerShell 2.0
• Windows Installer 4.0
• WinRM 2.0
• BITS 4.0
Unlike the other roles in Lync Server, the Edge Server has no requirements for server roles or features. All the required components are included within the Edge Server installation.
After the required components are installed, it is important to get the Edge Server networking configuration completed. An Edge Server must have at least two network adapters: one for external traffic and one for communicating with internal servers or clients.
Make sure necessary routing statements ...