Technical notes

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 .

There are 2 possible way to know about video resolution configuration. 1. The hard way -- from lync server management shell. Open lync server management shell in administrator mode. Now give following command --- Get-CsMediaConfiguration –Identity Global Output:   2. Easy way -- smart way from lync client uccapi log with out lync server. Open uccapi log of lync client from Tracing folder . Now search by <ucMaxVideoRateAllowed> .You will see that like --- <ucMaxFileTransferPort>5389</ucMaxFileTransferPort> <ucPC2PCAVEncryption>SupportEncryption</ucPC2PCAVEncryption> <ucMaxVideoRateAllowed> Hd720p-1.5M </ucMaxVideoRateAllowed> <qosEnabled>true</qosEnabled> <ucDiffServVoice>40</ucDiffServVoice> <ucVoice802_1p>0</ucVoice802_1p> Which is your current video resolution configuration. To change it please follow the procedure describe on here.