<p>On April 2, Microsoft announced availability of Exchange 2013 Cumulative Update 1 (CU1), which provides both bug fixes and new feature updates to Microsoft's latest on-premises Exchange release.</p><p>Unlike previous versions, cumulative updates do not use the rollup infrastructure. Instead, under the new Exchange servicing model, "cumulative updates are actually full builds of the product, meaning that when you want to deploy a new server, you simply use the latest cumulative update build available and do not necessarily need to apply additional Exchange Server updates," the team explained in a new blog post with instructions for installing CU1.</p><p>The final build number for CU1 is 15.0.620.29. "CU1 is the minimum version of Exchange 2013 required for on-premises coexistence with supported legacy Exchange Server versions," according to the team.</p><p>Among the new features in CU1 are:Addition of an address-book-policy routing agentThe ability of groups to manage groupsAccess to public-folder favorites through Outlook Web App Enhancements to the Exchange Admin Center, including unified-messaging management</p><p><a href="http://www.zdnet.com/microsoft-delivers-first-cumulative-update-to-exchange-2013-7000013415/">Keep reading...</a></p><p>Read also:</p><p><a href="http://rcpmag.com/articles/2013/04/02/exchange-2013-cu1-released.aspx">Microsoft Releases Exchange 2013 Cumulative Update 1</a> (Redmond Channel Partner)</p><p><a href="http://windowsitpro.com/blog/exchange-2013-cu1-software-rtm-could-have-been">Exchange 2013 CU1 - the software that RTM could have been</a> (Windows IT Pro (blog))</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dzvkSpKSW-x6DVMayScMKVBjJ7eSM&ned=us">3 additional articles.</a></p>