Your network has Lync Server 2010 deployed.
All client computers run Microsoft Lync 2010.
You need to ensure that errors generated by Lync 2010 can be viewed from Event Viewer on each client computer.
What should you do?

A.
From Lync 2010, modify the Actions and Alerts options.

B.
From the Lync Server 2010 Control Panel, modify the Client Version Configuration.

C.
From the Lync Server Management Shell, run the Set-CsClientPolicy cmdlet.

D.
From the Lync Server Management Shell, run the Set-CsUserServicesConfiguration cmdlet.

Explanation:
http://technet.microsoft.com/en-us/library/gg398300.aspx