ISSUE: You can change video resolution on lync client by increasing/decreasing the capture window size. The video resolution change can be either of these following type -- 1. QCIF (176×144) 15fps 2. CIF (352×288) 15fps 3. VGA (640×480) 15fps 4. HD (1280×720) 13fps The default video resolution set on lync server normally is VGA . 1. How to know about it? The answer is here . 2. How to change video resolution it? Open lync server management shell in administrator mode. Now give following command --- Set-CsMediaConfiguration –Identity Global -MaxVideoRateAllowed Hd720p15M The underline attribute can be either Hd720p15M, VGA600K, and CIF250K. 3. How to make sure that configuration is applied? The answer in here .
Network programming and scalable micro-services in Azure