1. From a user account that is assigned to the CsUserAdministrator role or the CsAdministrator role, log on to any computer in your internal deployment.

2. Open a browser window, and then enter the Admin URL to open the Lync Server Control Panel. For details about the different methods you can use to start Lync Server Control Panel, see Open Lync Server Administrative Tools.

3. In the left navigation bar, click Clients, and then click the Client Version Policy navigation button.

4. On the Client Version Policy page, select the client version policy or policies you want to delete, click Edit, and then click Delete.

You can delete client version policies by using the Remove-CsClientVersionPolicy cmdlet. This cmdlet can be run either from the Lync Server 2013 Management Shell or from a remote session of Windows PowerShell. For details about using remote Windows PowerShell to connect to Lync Server, see the Lync Server Windows PowerShell blog article "Quick Start: Managing Microsoft Lync Server 2010 Using Remote PowerShell" at http://go.microsoft.com/fwlink/p/?linkId=255876.

To remove a specific client version policy

To remove all the client version policies applied to the site scope

To remove client version policies that do not include a specific user agent

For details, see the Help topic for the Remove-CsClientVersionPolicy cmdlet.