Topic Last Modified: 2013-11-21
This topic contains the recommended client deployment steps you should take prior to migrating to Lync Server 2013. These configuration changes should be made on Office Communications Server 2007 R2. It is very important that you perform these steps prior to migrating. For details, see Planning for Clients and Devices in Lync Server 2013.
To configure clients prior to migration
Deploy the most recent Office Communications Server 2007 R2 server, client, and device updates (hotfixes):
On Office Communications Server 2007 R2, use Client Version Filtering to allow only Office Communications Server 2007 R2 clients with the most current updates installed to sign in.
On Office Communications Server 2007 R2, use Client Version Filtering to block Lync Server 2013 clients from signing in. Follow the steps described in Configuring Client Version Filtering at http://go.microsoft.com/fwlink/p/?linkId=202488 to add the version filters listed in the following table. For each version filter, assign the action Block.
Client User agent header Version
Lync Web App
Lync Phone Edition