Additional updates is availabe, you can find now Lync Server 2013 Capacity Calculator.
Microsoft Lync Connectivity Analyzer attempts to connect to your Lync server using the same services and protocols that are used by Lync Windows Store app and Lync apps for mobile platforms. You can perform the connection tests over your internal network or an external network that connects to your Lync server. Lync Connectivity Analyzer provides a report with detailed information about each connection step to help you validate your configuration and troubleshoot connection problems.
Lync Connectivity Analyzer tests the following Lync server components:
- Autodiscover service
- Authentication Broker (Reach) service
- Mobility (MCX) service
- WebTicket service
Lync Connectivity Analyzer tests the configuration of the following other components:
- Publication of DNS records for Autodiscover URLs
- Certificates
- Proxy servers
Microsoft Lync Connectivity Analyzer (32 Bit): http://www.microsoft.com/en-us/download/details.aspx?id=36536
Microsoft Lync Connectivity Analyzer (64 Bit): http://www.microsoft.com/en-us/download/details.aspx?id=36535
