http://blogs.technet.com/b/exchange/archive/2012/09/20/the-cloud-on-your-terms-part-ii-managing-hybrid.aspxA brief history of hybrid management The release of Exchange Server 2010 brought with it a revolutionary new Cloud based service which we all know today as Exchange Online for Office 365. In the early days of the Cloud lots of time and energy was devoteden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/exchange/archive/2012/09/20/the-cloud-on-your-terms-part-ii-managing-hybrid.aspx#3522702Thu, 27 Sep 2012 01:00:20 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3522702Roy<p>On Prem Lync and be integrated with UM Online. &nbsp;See <a rel="nofollow" target="_new" href="http://technet.microsoft.com/en-us/library/gg413027.aspx">technet.microsoft.com/.../gg413027.aspx</a> for more details.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3522702" width="1" height="1">http://blogs.technet.com/b/exchange/archive/2012/09/20/the-cloud-on-your-terms-part-ii-managing-hybrid.aspx#3521685Fri, 21 Sep 2012 05:31:23 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3521685pesos<p>thanks warren! extremely interested in the onprem primary mailbox with o365 archive mailbox scenario (since we need primary mailboxes to remain on-prem due to lync and UM being on-prem)</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3521685" width="1" height="1">