Your network contains a SIP domain named contoso.com.
Contoso.com has Microsoft Office Communications Server 2007 deployed.
AU client computers run Windows XP Service Pack 2 (SP2) and Microsoft Office Communicator 2007.
You deploy Lync Server 2010 on the network.
You need to ensure that all of the client computers can log on to Lync Server 2010 after their accounts are moved to the new Lync pool.
What should you do?
A.
Deploy a Lync Server 2010 Director.
B.
Modify the Lync Server Client Version Policy.
C.
Decommission Office Communications Server 2007.
D.
Install Microsoft Lync 2010 on all of the client computers.
Explanation:
Minimum OS: Windows XP SP3