http://blogs.technet.com/b/lystavlen/archive/2012/05/30/lync-online-interoperability-with-exchange-server.aspxLync Online supports presence interoperability with an on-premises deployment of Microsoft Exchange Server 2007 and Exchange Server 2010. The Lync Online service provides presence updates based on calendar information and Out of Office details that appearen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/lystavlen/archive/2012/05/30/lync-online-interoperability-with-exchange-server.aspx#3516727Tue, 28 Aug 2012 14:07:36 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3516727Kirby<p>You have described exactly what I&#39;m running into. The problem is that I have a SBS 2011 server, and I can&#39;t implement DirSync on it without setting up a second server. Is there a third option by chance? Any way to set the SMTP address via remote powershell? </p> <p>Any help would be appreciated. Thanks.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3516727" width="1" height="1">