http://blogs.technet.com/b/ucedsg/archive/2009/01/16/ocs-2007-r2-hardware-and-os-requirements.aspx&#160; 64-bit only As you know, R2 is moving to a 64-bit only platform to achieve greater scalability. 32-bit versions of OCS 2007 R2 will no longer be supported in production. This lines up with Exchange and other products moving this direction. &#160;en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/ucedsg/archive/2009/01/16/ocs-2007-r2-hardware-and-os-requirements.aspx#3202875Mon, 16 Feb 2009 14:44:41 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3202875Benoît LE CAHAIN Sécurité & Messagerie<p>D&#233;couvrez&amp;#160; la Communication Unifi&#233;e&amp;#160; &#224; ces adresses : <a rel="nofollow" target="_new" href="http://www.microsoft.com/france/office/uc/default.mspx">http://www.microsoft.com/france/office/uc/default.mspx</a></p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3202875" width="1" height="1">http://blogs.technet.com/b/ucedsg/archive/2009/01/16/ocs-2007-r2-hardware-and-os-requirements.aspx#3184487Sat, 17 Jan 2009 01:40:25 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3184487Blogs from the Microsoft Field<p>&amp;#160; 64-bit only As you know, R2 is moving to a 64-bit only platform to achieve greater scalability</p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3184487" width="1" height="1">