The Lync Server Edge Server processor requirements are as follows:
• Dual processor, quad-core 2.0 GHz or faster
• Four-way processor, dual-core 2.0 GHz or faster
Lync Server is only a 64-bit application and requires a 64-bit capable processor. This is generally not an issue with modern hardware, but be sure to verify that legacy hardware supports a 64-bit operating system before attempting to use it for an Edge Server.
The Lync Server Edge Server memory requirement is as follows:
• 12 GB RAM
The Lync Server Edge Server disk requirement is as follows:
• Local storage with at least 30 GB free space
The Lync Server Edge Server network requirement is as follows:
• Two 1 gigabit per second (Gbps) network adapters (recommended)